IP090099C I-SERIES_Plus_C Model Series

I-SERIES Plus™ line of Combi Condensing Gas Boilers offers unmatched value and performance with an expanded product line that features Smart Sense ™ Adaptive Gas Valve technology. Combi Boiler CH 90k / DHW 99k, NG

  • 15000 BTU (minimum)
    99000 BTU (maximum)
  • Indoor
  • Warranty
View Rebates & Offers
I-SERIES Plus™ line of Combi Condensing Gas Boilers offers unmatched value and performance with an expanded product line that features Smart Sense ™ Adaptive Gas Valve technology. Combi Boiler CH 90k / DHW 99k, NG

18.5 in. X 26.4 in. (470 mm x 670.56 mm x 292.1 mm)

Supply Connections

Connection Connection Size
Gas 3/4" MNPT / (19 mm)
Cold Inlet 3/4" MNPT / (19 mm)
Condensate Drain 1/2" NPT / (13 mm)
Product Depth 11.5 in / (292.1 mm)
Product Height 26.4 inch / (670.56 mm)
Product Width 18.5 inch / (470 mm)
Product Weight 73 lb / (33.11 kg)
Gas Type
  • Natural Gas
  • Propane Gas
Installation Type Indoor
Recirculation Capable Yes
Residential ENERGY STAR® Yes
Domestic Hot Water Flow Rate (Maximum) 5.3GPM
SCAQMD Approved Ultra Low NOx

Warranty information is available in the Installation & Owner Manual.

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

0 documents

Download File
Gas Control Orifice Instructions English
PDF 290 KB
Download
Download File
800000194 I-Series Plus 150K BTU and Smaller Boiler Gas Conversion Manual
PDF 3 MB
Download
Download File
IP090099C - Energy Guide
PDF 609 KB
Download
Download File
800000190 I-Series Plus 150K BTU and Smaller Combi Boiler Installation and Operation Manual
PDF 15 MB
Download
Download File
800000192 I-Series Plus 150K BTU and Smaller Boiler User Manual
PDF 3 MB
Download
Download File
800000204 I-Series Plus 150K BTU and Smaller Boiler User Manual_French
PDF 3 MB
Download
Download File
800000205 I-Series Plus 150K BTU and Smaller Combi Boiler Installation and Operation Manual_French
PDF 7 MB
Download
Download File
800000218 I-Series Plus 150K and 175K Boiler User Manual-ENGLISH
PDF 2 MB
Download
Download File
800000219 I-Series Plus Condensing Boiler User Manual-French
PDF 2 MB
Download
Download File
800000313 I-Series Plus 150K BTU and Smaller Combi Boiler Installation and Operation Manual-Spanish
PDF 18 MB
Download
Download File
800000315 I-Series Plus 150K and 175K Boiler User Manual-Spanish
PDF 3 MB
Download
Download File
800000375 Troubleshooting I-Series Plus Diagnostic Codes
PDF 8 MB
Download
Download File
800000376 Troubleshooting I-Series Plus Diagnostic Codes-French
PDF 9 MB
Download
Download File
800000377 Troubleshooting I-Series Plus Diagnostic Codes-Spanish
PDF 11 MB
Download
Download File
I-SERIES+™ Brochure - Canadian/ENG
PDF 11 MB
Download
Download File
I-SERIES+™ Brochure - French
PDF 11 MB
Download
Download File
US I-SERIES+® Brochure
PDF 11 MB
Download
Download File
800000138 I-Series Combi Boiler Plumbing Kit Spec Sheet
PDF 445 KB
Download
Download File
800000249 I-Series Plus 150K BTU and Smaller Combi Spec Sheet-English
PDF 1 MB
Download
Download File
800000276 I-Series Combi Boiler Plumbing Kit Spec Sheet-French
PDF 363 KB
Download
Download File
800000277 I-Series Combi Boiler Plumbing Kit Spec Sheet-Spanish
PDF 350 KB
Download
Download File
800000316 I-Series Plus 150K BTU and Smaller Combi Spec Sheet-French
PDF 1 MB
Download
Download File
800000317 I-Series Plus 150K BTU and Smaller Combi Spec Sheet-Spanish
PDF 1 MB
Download
Download File
Announcing IPEX System 1738 PVC Approval Technical Bulletins English
PDF 294 KB
Download
Download File
TB-073 Condensing Termination Rain Ingress
PDF 92 KB
Download
Download File
TB-079 Rinnai Ubbink Venting
PDF 1 MB
Download
Download File
TB-080 Termination Diverter Kit
PDF 47 KB
Download
Download File
TB-195 I-Series Plus Combi DHW Setpoint Temperature (1)
PDF 378 KB
Download
Download File
TB-200 I-Series Plus Boiler Manual Revisions for Termination Clearances and Maintenance Warning
PDF 511 KB
Download
Download File
800000195(01) I-Series Plus 150K BTU and Smaller Combi Boiler Tech Sheet
PDF 7 MB
Download
Download File
I-Series Plus 150K and 175K BTU Condensing Boiler Check Sheet English
PDF 2 MB
Download

Find a Pro

Want more information on this product or ready to have it professionally installed?