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2. Brands
3. SCHUSTER Manuals
4. Boiler
5. SWG A 23
6. Installation and servicing manual

• Page 1
  A 23 — R 23 A 23 P C 16 C 18 — R18 C 24 — R 24 C 24 P C 28 — R 28 C 28 P C 32 C 32 P INSTALLATION AND SERVICING MANUAL…
• Page 2
  Provisions for proper disposal of the product in accordance with Directive 2002/96/EC At the end of its life cycle the product must not be disposed of as urban waste. It can be taken to a special recycling centre managed by the local authorities, or to a dealer who offers this service. Separate disposal of a domestic appliance avoids possible negative consequences for the environment and human health deriving from inappropriate waste handling and allows the recovery of the materials of which it is made, in order to obtain significant energy and resource savings.

• Page 3: Table Of Contents

  Attention: this manual contains instructions for the exclusive use of the professionally qualified installer and/or maintenance technician in compliance with current legislation. The user is NOT qualified to intervene on the boiler. The manufacturer will not be held liable in case of damage to persons, animals or objects resulting from failure to comply with the instructions contained in the manuals supplied with the boiler.

• Page 4: General Information

  GENERAL INFORMATION 1.1 — GENERAL wARNINGs Any product repairs must be performed solely by The instruction booklet is an integral and essential personnel authorised, using original spare parts only. part of the product and must be kept by the user. Failure to comply with the above can compromise the safety of the appliance and void the warranty.

• Page 5: Symbols Used In The Manual

  1.2 — sYMBOLs UsED IN THE MANUAL Pay special attention when reading this manual to the parts marked by the symbols: DANGER! ATTENTION! NOTE! serious danger Possible dangerous Tips to safety situation for the product for the user and health and the environment 1.3 — APPROPRIATE UsE OF APPLIANCE The swG boiler has been built according to the current level of engineering and ac-…

• Page 6: Safety Warnings

  1.5 — sAFETY wARNINGs ATTENTION! The boiler must not be used by people with with reduced physical, sensory and mental abilities, without experience and knowledge. These people must be previously trained and supervised during the manoeuvre operations. Children must be supervised so that they do not play with the appliance.

• Page 7: Technical Data Plate

  1.6 — TECHNICAL DATA PLATE KEY: CE marking 1 = CE monitoring body The CE marking certifies that the boilers meet: — The essential requirements of the gas appliance 2 = Type of boiler directive (directive 2009/142/EEC) 3 = Boiler model — The essential requirements of the electromagnetic 4 = Number of stars (directive 92/42 EEC) compatibility directive (2004/108/EEC)

• Page 8: Water Treatment

  1.7 — wATER TREATMENT ATTENTION! The treatment of the supply water ANY DAMAGE TO THE BOILER allows to prevent inconveniences CAUsED BY THE FORMATION OF and maintain the functionality and FOULING OR BY CORROsIvE wA- efficiency of the generator over time. TER wILL NOT BE COvERED BY THE The ideal water pH in heating systems wARRANTY.

• Page 9: Technical Features And Dimensions

  TECHNICAL FEATUREs AND DIMENsIONs 2.1 — TECHNICAL FEATUREs 2.2 — vIEw wITH THE INDICATION OF THE MAIN COMPONENTs AND DIMENsIONs swG A 23 P swG A 23 swG A 23 — swG R23 — swG A 23 P…

• Page 10: Main Components View And Dimensions

  swG C 24 P swG C 18 — swG C 24 swG C 16 — swG C 18 — swG R 18 — swG C 24 — swG R 24 — swG C 24 P view from above view from below…

• Page 11
  swG C 28 — swG C 32 swG C 28 P — swG 32 P swG C 28 — swG R 28 — swG C 28 P — swG C 32 — swG R 32 — swG C 32 P view from above view from below…
• Page 12
  Plate heat exchanger C.E. S.E. Description Domestic hot water temper- ature sensor Flue gas pressure switch Flow switch with cold water filter Safety valve Gas valve Automatic by-pass Ignition/detection electrode ACC/RIL Domestic hot water G ½ Burner outlet Combustion chamber Gas inlet G ¾…

• Page 13: Available Flow Rate / Pressure Diagram

  2.4 — OPERATING DATA ACCORDING TO UNI 10348 For the adjustment data: NOZZLES — PRESSURE — DIAGRAMS — FLOW RATES — CONSUMPTION refer to the paragraph ADAPTATION TO OTHER TYPES OF GAS. A 23/R 23 C 18/R 18 C 24/R 24 C 28/R 28 Maximum thermal flow rate 25,5 16 (26,5) 20,5 26,5 30,1…

• Page 14: Operation Data

  OPERATING DATA ACCORDING TO UNI 10348 swG P A 23 P C 24 P C 28 P C 32 P Maximum thermal flow rate 25.5 26.5 30.1 34.5 Minimum thermal flow rate 11.5 11.5 11.5 13.5 Effective nominal output 22.9 24.7 28.1 32.3…

• Page 15: Installation Instructions

  INsTALLATION INsTRUCTIONs 3.1 — GENERAL wARNINGs ATTENTION! ATTENTION! This boiler is intended solely for If there is dust and/or if there are the use for which it was expressly aggressive/corrosive vapours designed. Any other use is to be present in the installation room, considered improper and therefore the appliance must be protected dangerous.

• Page 16: Packaging

  3.4 — PACKAGING The swG boiler is supplied completely assembled As well as the appliance, the packaging contains: in a sturdy cardboard box. A DOCUMENTATION ENVELOPE After having removed the appliance from — System booklet the packaging, make sure that the supply — User operating instructions booklet is complete and undamaged.

• Page 17: Positioning The Boiler

  — The wall must not be made of flammable material. swG A 23 — swG R 23 swG C 16 — swG C/R 18 — swG C/R 24 — swG C…

• Page 18: Flue Gas Exhaust Pipe Connection

  3.6 — FLUE GAs EXHAUsT PIPE CONNECTION FOR BOILERs wITH NATURAL DRAUGHT The combustion air is withdrawn directly from the room where the boiler is installed. ventilation of the rooms Said room must be ventilated in compliance with The boiler must be installed in an adequate room in the standards.

• Page 19
  Collective chimney flue system, consisting of two Connection to a terminal for combustion air intake pipes, one for combustion air intake and the other and flue gas exhaust via a single or collective one for combustion products evacuation, coaxial chimney. or double.
• Page 20
  GENERAL INFORMATION ON THE FLUE GAs EXHAUsT sYsTEM Collector assembly Collector Rubber closure plugs (remove 1 of the air intake plugs — only with splitter systems) KIT5570C 00361439 (+) Adapter for double systems It is recommended to only use original exhaust pipes.

• Page 21: Connections

  3.7 — CONNECTION 3.8 — FILLING THE sYsTEM Attention! 3/4’’ Do not mix the heating water with in- correct concentrations of antifreeze or Danger! anti-corrosion substances! This could The gas connection must be carried out only by a qualified installer who must re- damage the gaskets and cause noise spect and apply that foreseen by relevant during operation.

• Page 22: Electrical Connections

  3.9 — ELECTRICAL CONNECTIONs Danger! any type of operation on electrical parts, always Only a qualified technician may per- disconnect electrical power and make sure that form the electrical installation. it cannot be reconnected accidentally. Before performing connections or External probe ON/OFF room ON/OFF room connection (*)

• Page 23: Commissioning

  3.10 — COMMIssIONING Commissioning must be done by pro- instruction. fessionally qualified personnel. The Before commissioning the boiler, check that: manifacturer will not be held liable for damage to persons, animals or objects due to failure to comply with the above does the installation meet the specific standards and regulations in force, both relating to the gas part as well as the electrical part? do the combustion air intake and flue gas exhaust take place properly according to…

• Page 24: Measurement Of Combustion Efficiency During Installation

  3.11 — MEAsUREMENT OF COMBUsTION EFFICIENCY DURING INsTALLATION 3.11.1- ACTIvATION OF THE CALIBRATION FUNCTION ATTENTION! tivate the function described below. Function reserved for Authorised Assistance Centres only. The user is NOT authorised to ac- ACTIvATION MINIMUM OUTPUT By pressing the button (D) for 3 seconds, the By turning the knob (B) in position , the boiler will operate at minimum output:…

• Page 25: Burner Adjustment

  3.12 — ADJUsTING THE BURNER Attention, during these operations do The following instructions are intended not take any samples in domestic hot exclusively for authorised service per- water mode. sonnel. All boilers leave the factory already cali- brated and tested, however in the event the gas valve recalibration is required: — Loosen the needle screw ‘’P’’…

• Page 26
  NOZZLEs — PREssURE — COLLECTOR TABLE swG A 23 — swG R 23 Ø Col- Type of Furnace Thermal Pressure Ø Nozzles Pressure Pressure Consumption Consumption lector Useful Capacity Press. Nozzles minimum operating min. max. [kW] [kW] [mbar] [mm] [mm]…

• Page 27: Electric Minimum Adjustment

  3.12.1 — ADJUsTMENT OF THE GAs vALvE ELECTRIC MINIMUM ATTENTION! the function described below. Function reserved for Authorised Assistance Centres only. The user is NOT authorised to activate ACTIvATION CONFIRM vALUE Activate the MINIMUM POWER calibration function (par. 3.11.1) EDITING THE vALUE Confirm the value by pressing the unblock key Turn the DOMESTIC HOT WATER knob ‘’C’’…

• Page 28: Maintenance Instructions

  INsPECTION AND MAINTENANCE Inspections and maintenance performed Failure to perform Inspections and Main- professionally and according to a regular tenance can entail material and personal schedule, as well as the use of original damage spare parts, are of the utmost importance for fault-free operation of the boiler and to guarantee its long life.

• Page 29
  ROUTINE YEARLY vERIFICATION OPERATIONs COMPONENT: VERIFY: C O N T R O L / I N T E R v E N T I O N METHOD: Is the minimum domestic hot water The burner must ignite with an (domestic hot water flow rate 3 l/min.? intake above or equal to: 3 l/min.

• Page 30: Parameters That Can Be Edited From The Control Panel

  4.2 — PARAMETERs THAT CAN BE EDITED FROM THE CONTROL PANEL ATTENTION! Function reserved for Authorised Assistance Centres only. Some service parameters can be edited from the control panel: ACTIvATION MAXIMUM HEATING OUTPUT VALUES FROM DEFAULT 0 (Min) 99 (Max) CONFIRM sELECTION By pressing the button (D) for 10 seconds, the function is activated when the key flashes on the…

• Page 31: Adaptation Of The Power To The Heating System

  4.3 — ADAPTATION TO THE UsE OF OTHER GAs The boilers are produced for the type of gas specif- — disconnect the nozzles (4) from the manifold (5) ically requested upon ordering. and replace them with those of diameter corre- DANGER! sponding to the new gas type (see table «NOZ- The conversion for the operation of…

• Page 32: Important Notes

  4.4 — IMPORTANT NOTEs — when the conversion is complete, fill in the NOTE information required on the label supplied with The safety pressure switch against lack the kit and apply it next to the technical data of water does not give electric consent for label of the boiler.

• Page 33: Wiring Diagram

  Practical connection board 4.5 — wIRING DIAGRAM SS (*) DHW probe (SWG C only) A1..A8 Services connectors Flue gas thermostat (SWG natural draught only) Water deficiency safety pressure switch Limit thermostat E. ACC./RIL Ignition/detection electrode Gas valve Domestic hot water request flow switch Diverter valve motor (SWG P Only) External probe connection terminals Pump TA1 / OT Modulating TA connection terminals Fan Pressure Switch (SWG forced draught only) On/off TA connection terminals Heating sensor…

• Page 34: Error Codes

  4.6 — ERROR CODEs The symbol flashes on the display monitor when the boiler detects an anomaly. service 1) In the event of an anomaly that does not stop boiler operation, press the unblock key (D) to display the error code; in the event the boiler is in stand-by, the error code appears and remains fixed on the display.

• Page 35
  EXHAUsT PIPE TN: Check the flue draught or the flue gas DIFFICULT thermostat (7). TFS: Check the operation of the fan and its pressure switch ( 18 ) ( 19 ). Any flue obstructions. Make sure the flue service gas exhaust collector is not present with longer lengths than the manufacturer limit.
• Page 36
  The manufacturer declines every responsibility for the possible inaccuracies if owed to errors of transcript or press. Also reserves the right to bring those changes that it will hold necessary to it own products or profits, without jeopardizing its essential characteristics. Schuster — via Padana Inferiore 52/C — 29012 Caorso (PC) — Italy — e-mail: info@schusterboilers.com — www.schusterboilers.com…

1. Manuals
2. Brands
3. SCHUSTER Manuals
4. Boiler
5. SWG A 23
6. Installation and servicing manual

• Page 1
  A 23 — R 23 A 23 P C 16 C 18 — R18 C 24 — R 24 C 24 P C 28 — R 28 C 28 P C 32 C 32 P INSTALLATION AND SERVICING MANUAL…
• Page 2
  Provisions for proper disposal of the product in accordance with Directive 2002/96/EC At the end of its life cycle the product must not be disposed of as urban waste. It can be taken to a special recycling centre managed by the local authorities, or to a dealer who offers this service. Separate disposal of a domestic appliance avoids possible negative consequences for the environment and human health deriving from inappropriate waste handling and allows the recovery of the materials of which it is made, in order to obtain significant energy and resource savings.

• Page 3: Table Of Contents

  Attention: this manual contains instructions for the exclusive use of the professionally qualified installer and/or maintenance technician in compliance with current legislation. The user is NOT qualified to intervene on the boiler. The manufacturer will not be held liable in case of damage to persons, animals or objects resulting from failure to comply with the instructions contained in the manuals supplied with the boiler.

• Page 4: General Information

  GENERAL INFORMATION 1.1 — GENERAL wARNINGs Any product repairs must be performed solely by The instruction booklet is an integral and essential personnel authorised, using original spare parts only. part of the product and must be kept by the user. Failure to comply with the above can compromise the safety of the appliance and void the warranty.

• Page 5: Symbols Used In The Manual

  1.2 — sYMBOLs UsED IN THE MANUAL Pay special attention when reading this manual to the parts marked by the symbols: DANGER! ATTENTION! NOTE! serious danger Possible dangerous Tips to safety situation for the product for the user and health and the environment 1.3 — APPROPRIATE UsE OF APPLIANCE The swG boiler has been built according to the current level of engineering and ac-…

• Page 6: Safety Warnings

  1.5 — sAFETY wARNINGs ATTENTION! The boiler must not be used by people with with reduced physical, sensory and mental abilities, without experience and knowledge. These people must be previously trained and supervised during the manoeuvre operations. Children must be supervised so that they do not play with the appliance.

• Page 7: Technical Data Plate

  1.6 — TECHNICAL DATA PLATE KEY: CE marking 1 = CE monitoring body The CE marking certifies that the boilers meet: — The essential requirements of the gas appliance 2 = Type of boiler directive (directive 2009/142/EEC) 3 = Boiler model — The essential requirements of the electromagnetic 4 = Number of stars (directive 92/42 EEC) compatibility directive (2004/108/EEC)

• Page 8: Water Treatment

  1.7 — wATER TREATMENT ATTENTION! The treatment of the supply water ANY DAMAGE TO THE BOILER allows to prevent inconveniences CAUsED BY THE FORMATION OF and maintain the functionality and FOULING OR BY CORROsIvE wA- efficiency of the generator over time. TER wILL NOT BE COvERED BY THE The ideal water pH in heating systems wARRANTY.

• Page 9: Technical Features And Dimensions

  TECHNICAL FEATUREs AND DIMENsIONs 2.1 — TECHNICAL FEATUREs 2.2 — vIEw wITH THE INDICATION OF THE MAIN COMPONENTs AND DIMENsIONs swG A 23 P swG A 23 swG A 23 — swG R23 — swG A 23 P…

• Page 10: Main Components View And Dimensions

  swG C 24 P swG C 18 — swG C 24 swG C 16 — swG C 18 — swG R 18 — swG C 24 — swG R 24 — swG C 24 P view from above view from below…

• Page 11
  swG C 28 — swG C 32 swG C 28 P — swG 32 P swG C 28 — swG R 28 — swG C 28 P — swG C 32 — swG R 32 — swG C 32 P view from above view from below…
• Page 12
  Plate heat exchanger C.E. S.E. Description Domestic hot water temper- ature sensor Flue gas pressure switch Flow switch with cold water filter Safety valve Gas valve Automatic by-pass Ignition/detection electrode ACC/RIL Domestic hot water G ½ Burner outlet Combustion chamber Gas inlet G ¾…

• Page 13: Available Flow Rate / Pressure Diagram

  2.4 — OPERATING DATA ACCORDING TO UNI 10348 For the adjustment data: NOZZLES — PRESSURE — DIAGRAMS — FLOW RATES — CONSUMPTION refer to the paragraph ADAPTATION TO OTHER TYPES OF GAS. A 23/R 23 C 18/R 18 C 24/R 24 C 28/R 28 Maximum thermal flow rate 25,5 16 (26,5) 20,5 26,5 30,1…

• Page 14: Operation Data

  OPERATING DATA ACCORDING TO UNI 10348 swG P A 23 P C 24 P C 28 P C 32 P Maximum thermal flow rate 25.5 26.5 30.1 34.5 Minimum thermal flow rate 11.5 11.5 11.5 13.5 Effective nominal output 22.9 24.7 28.1 32.3…

• Page 15: Installation Instructions

  INsTALLATION INsTRUCTIONs 3.1 — GENERAL wARNINGs ATTENTION! ATTENTION! This boiler is intended solely for If there is dust and/or if there are the use for which it was expressly aggressive/corrosive vapours designed. Any other use is to be present in the installation room, considered improper and therefore the appliance must be protected dangerous.

• Page 16: Packaging

  3.4 — PACKAGING The swG boiler is supplied completely assembled As well as the appliance, the packaging contains: in a sturdy cardboard box. A DOCUMENTATION ENVELOPE After having removed the appliance from — System booklet the packaging, make sure that the supply — User operating instructions booklet is complete and undamaged.

• Page 17: Positioning The Boiler

  — The wall must not be made of flammable material. swG A 23 — swG R 23 swG C 16 — swG C/R 18 — swG C/R 24 — swG C…

• Page 18: Flue Gas Exhaust Pipe Connection

  3.6 — FLUE GAs EXHAUsT PIPE CONNECTION FOR BOILERs wITH NATURAL DRAUGHT The combustion air is withdrawn directly from the room where the boiler is installed. ventilation of the rooms Said room must be ventilated in compliance with The boiler must be installed in an adequate room in the standards.

• Page 19
  Collective chimney flue system, consisting of two Connection to a terminal for combustion air intake pipes, one for combustion air intake and the other and flue gas exhaust via a single or collective one for combustion products evacuation, coaxial chimney. or double.
• Page 20
  GENERAL INFORMATION ON THE FLUE GAs EXHAUsT sYsTEM Collector assembly Collector Rubber closure plugs (remove 1 of the air intake plugs — only with splitter systems) KIT5570C 00361439 (+) Adapter for double systems It is recommended to only use original exhaust pipes.

• Page 21: Connections

  3.7 — CONNECTION 3.8 — FILLING THE sYsTEM Attention! 3/4’’ Do not mix the heating water with in- correct concentrations of antifreeze or Danger! anti-corrosion substances! This could The gas connection must be carried out only by a qualified installer who must re- damage the gaskets and cause noise spect and apply that foreseen by relevant during operation.

• Page 22: Electrical Connections

  3.9 — ELECTRICAL CONNECTIONs Danger! any type of operation on electrical parts, always Only a qualified technician may per- disconnect electrical power and make sure that form the electrical installation. it cannot be reconnected accidentally. Before performing connections or External probe ON/OFF room ON/OFF room connection (*)

• Page 23: Commissioning

  3.10 — COMMIssIONING Commissioning must be done by pro- instruction. fessionally qualified personnel. The Before commissioning the boiler, check that: manifacturer will not be held liable for damage to persons, animals or objects due to failure to comply with the above does the installation meet the specific standards and regulations in force, both relating to the gas part as well as the electrical part? do the combustion air intake and flue gas exhaust take place properly according to…

• Page 24: Measurement Of Combustion Efficiency During Installation

  3.11 — MEAsUREMENT OF COMBUsTION EFFICIENCY DURING INsTALLATION 3.11.1- ACTIvATION OF THE CALIBRATION FUNCTION ATTENTION! tivate the function described below. Function reserved for Authorised Assistance Centres only. The user is NOT authorised to ac- ACTIvATION MINIMUM OUTPUT By pressing the button (D) for 3 seconds, the By turning the knob (B) in position , the boiler will operate at minimum output:…

• Page 25: Burner Adjustment

  3.12 — ADJUsTING THE BURNER Attention, during these operations do The following instructions are intended not take any samples in domestic hot exclusively for authorised service per- water mode. sonnel. All boilers leave the factory already cali- brated and tested, however in the event the gas valve recalibration is required: — Loosen the needle screw ‘’P’’…

• Page 26
  NOZZLEs — PREssURE — COLLECTOR TABLE swG A 23 — swG R 23 Ø Col- Type of Furnace Thermal Pressure Ø Nozzles Pressure Pressure Consumption Consumption lector Useful Capacity Press. Nozzles minimum operating min. max. [kW] [kW] [mbar] [mm] [mm]…

• Page 27: Electric Minimum Adjustment

  3.12.1 — ADJUsTMENT OF THE GAs vALvE ELECTRIC MINIMUM ATTENTION! the function described below. Function reserved for Authorised Assistance Centres only. The user is NOT authorised to activate ACTIvATION CONFIRM vALUE Activate the MINIMUM POWER calibration function (par. 3.11.1) EDITING THE vALUE Confirm the value by pressing the unblock key Turn the DOMESTIC HOT WATER knob ‘’C’’…

• Page 28: Maintenance Instructions

  INsPECTION AND MAINTENANCE Inspections and maintenance performed Failure to perform Inspections and Main- professionally and according to a regular tenance can entail material and personal schedule, as well as the use of original damage spare parts, are of the utmost importance for fault-free operation of the boiler and to guarantee its long life.

• Page 29
  ROUTINE YEARLY vERIFICATION OPERATIONs COMPONENT: VERIFY: C O N T R O L / I N T E R v E N T I O N METHOD: Is the minimum domestic hot water The burner must ignite with an (domestic hot water flow rate 3 l/min.? intake above or equal to: 3 l/min.

• Page 30: Parameters That Can Be Edited From The Control Panel

  4.2 — PARAMETERs THAT CAN BE EDITED FROM THE CONTROL PANEL ATTENTION! Function reserved for Authorised Assistance Centres only. Some service parameters can be edited from the control panel: ACTIvATION MAXIMUM HEATING OUTPUT VALUES FROM DEFAULT 0 (Min) 99 (Max) CONFIRM sELECTION By pressing the button (D) for 10 seconds, the function is activated when the key flashes on the…

• Page 31: Adaptation Of The Power To The Heating System

  4.3 — ADAPTATION TO THE UsE OF OTHER GAs The boilers are produced for the type of gas specif- — disconnect the nozzles (4) from the manifold (5) ically requested upon ordering. and replace them with those of diameter corre- DANGER! sponding to the new gas type (see table «NOZ- The conversion for the operation of…

• Page 32: Important Notes

  4.4 — IMPORTANT NOTEs — when the conversion is complete, fill in the NOTE information required on the label supplied with The safety pressure switch against lack the kit and apply it next to the technical data of water does not give electric consent for label of the boiler.

• Page 33: Wiring Diagram

  Practical connection board 4.5 — wIRING DIAGRAM SS (*) DHW probe (SWG C only) A1..A8 Services connectors Flue gas thermostat (SWG natural draught only) Water deficiency safety pressure switch Limit thermostat E. ACC./RIL Ignition/detection electrode Gas valve Domestic hot water request flow switch Diverter valve motor (SWG P Only) External probe connection terminals Pump TA1 / OT Modulating TA connection terminals Fan Pressure Switch (SWG forced draught only) On/off TA connection terminals Heating sensor…

• Page 34: Error Codes

  4.6 — ERROR CODEs The symbol flashes on the display monitor when the boiler detects an anomaly. service 1) In the event of an anomaly that does not stop boiler operation, press the unblock key (D) to display the error code; in the event the boiler is in stand-by, the error code appears and remains fixed on the display.

• Page 35
  EXHAUsT PIPE TN: Check the flue draught or the flue gas DIFFICULT thermostat (7). TFS: Check the operation of the fan and its pressure switch ( 18 ) ( 19 ). Any flue obstructions. Make sure the flue service gas exhaust collector is not present with longer lengths than the manufacturer limit.
• Page 36
  The manufacturer declines every responsibility for the possible inaccuracies if owed to errors of transcript or press. Also reserves the right to bring those changes that it will hold necessary to it own products or profits, without jeopardizing its essential characteristics. Schuster — via Padana Inferiore 52/C — 29012 Caorso (PC) — Italy — e-mail: info@schusterboilers.com — www.schusterboilers.com…

Страница 9 из 22

Страница 9 из 22