IP175S I-SERIES_Plus_S Model Series

AVAILABLE Sept 2024 | I-SERIES Plus™ 175k BTU Solo Heat Condensing Gas Boilers offers unmatched value and performance with an expanded product line featuring Smart Sense ™ Adaptive Gas Valve technology for more versitility.

  • Indoor
  • Warranty
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AVAILABLE Sept 2024 | I-SERIES Plus™ 175k BTU Solo Heat Condensing Gas Boilers offers unmatched value and performance with an expanded product line featuring Smart Sense ™ Adaptive Gas Valve technology for more versitility.

19.45 in. X 45.3 in. X 15.48 in. (494.63 mm x 1150.62 mm x 393.19 mm)

Supply Connections

Connection Connection Size
Gas 3/4" MNPT / (19 mm)
Cold Inlet 3/4" MNPT / (19 mm)
Hot Outlet 3/4" MNPT / (19 mm)
Condensate Drain 1/2" NPT / (13 mm)
Product Depth 15.48 inch / (393.19 mm)
Product Height 45.3 inch / (1150.62 mm)
Product Width 19.45 inch / (494.63 mm)
Product Weight 112.4 lb / (50.9 kg)
Gas Type
  • Natural Gas
  • Propane Gas
Installation Type Indoor
Residential ENERGY STAR® Yes
Domestic Hot Water Flow Rate (Maximum) N/A
SCAQMD Approved Ultra Low NOx

Warranty information is available in the Installation & Owner Manual.

Browse product manuals, spec sheets, and other documentation below.

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800000283 I-Series Plus 175K BTU and Larger Condensing Boiler Rack Assembly Instructions-French
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800000284 I-Series Plus 175K BTU and Larger Condensing Boiler Rack Assembly Instructions-Spanish
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I-Series Plus 175K BTU and Larger Condensing Boiler Gas Conversion Manual English
PDF 3 MB
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IP175S - Energy Guide
PDF 604 KB
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800000216 I-Series Plus 175K BTU and Larger Condensing Solo Boiler Installation and Operation Manual
PDF 16 MB
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800000217 I-Series Plus 175K BTU and Larger Condensing Solo Boiler Installation and Operation Manual-French
PDF 17 MB
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800000218 I-Series Plus 150K and 175K Boiler User Manual-ENGLISH
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800000219 I-Series Plus Condensing Boiler User Manual-French
PDF 2 MB
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800000315 I-Series Plus 150K and 175K Boiler User Manual-Spanish
PDF 3 MB
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800000375 Troubleshooting I-Series Plus Diagnostic Codes
PDF 8 MB
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800000376 Troubleshooting I-Series Plus Diagnostic Codes-French
PDF 9 MB
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800000377 Troubleshooting I-Series Plus Diagnostic Codes-Spanish
PDF 11 MB
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I-SERIES+™ Brochure - Canadian/ENG
PDF 11 MB
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I-SERIES+™ Brochure - French
PDF 11 MB
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US I-SERIES+® Brochure
PDF 11 MB
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800000139 I-Series Solo Boiler Plumbing Kit Spec Sheet
PDF 477 KB
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800000252 I-Series Plus Solo Spec Sheet-175K BTU and Larger Models
PDF 1 MB
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800000278 I-Series Solo Boiler Plumbing Kit Spec Sheet-French
PDF 407 KB
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800000279 I-Series Solo Boiler Plumbing Kit Spec Sheet-Spanish
PDF 397 KB
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800000285 I-Series Plus 175K BTU and Larger Condensing Boiler Rack Spec Sheet
PDF 500 KB
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800000286 I-Series Plus 175K BTU and Larger Condensing Boiler Rack Spec Sheet-French
PDF 542 KB
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800000287 I-Series Plus 175K BTU and Larger Condensing Boiler Rack Spec Sheet-Spanish
PDF 536 KB
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800000322 I-Series Plus Solo Spec Sheet-175K BTU and Larger-French
PDF 1 MB
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800000323 I-Series Plus Solo Spec Sheet-175K BTU and Larger-Spanish
PDF 1 MB
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Announcing IPEX System 1738 PVC Approval Technical Bulletins English
PDF 294 KB
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TB-073 Condensing Termination Rain Ingress
PDF 92 KB
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TB-079 Rinnai Ubbink Venting
PDF 1 MB
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TB-080 Termination Diverter Kit
PDF 47 KB
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TB-200 I-Series Plus Boiler Manual Revisions for Termination Clearances and Maintenance Warning
PDF 511 KB
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I-Series Plus 150K and 175K BTU Condensing Boiler Check Sheet English
PDF 2 MB
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I-Series Plus 175K BTU and Larger Condensing Solo Boiler Tech Sheet English
PDF 1 MB
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