Power Rinnai IP150199C 9.8 GPM / 150k–199k BTU Condensing Combi Boiler (NG/LP) Replace separate boiler and water heater with one compact, efficient unit. The Rinnai IP150199C I-Series Plus Combi delivers whole-home central heat (up to 150,000 BTU/h, ?43.9 kW) and continuous domestic hot water (up to 199,000 BTU/h, ?58.3 kW). A factory-installed pump, outdoor reset sensor, and DHW priority/proportional control come standard for faster installs and steady comfort. With up to 96% AFUE and a 9.8 GPM DHW rating (max), this wall-hung boiler is built to cut fuel use and recover quickly for busy households—all in a slim, direct-vent package. Brand: Rinnai MPN: IP150199C Type: Condensing combination gas boiler (central heating + domestic hot water) Size/Capacity: CH 150,000 BTU/h (?43.9 kW) • DHW 199,000 BTU/h (?58.3 kW); DHW up to 9.8 GPM (temperature-rise dependent) Material/Finish: Stainless-steel water-tube condensing heat exchanger; built-in DHW plate heat exchanger; modulating wire-mesh burner Performance: Up to 96% AFUE; DHW 5.1 GPM @ 70°F rise (max 9.8 GPM at low rise); DHW activation 0.4 GPM (min flow 0.26 GPM); sound ~47 dB(A) DHW / 43 dB(A) CH Connections/Fit: Direct-vent (2? or 3? PVC/CPVC/PP twin-pipe or 3?×5? concentric); room-air option; NPT water/gas connections (see manual); 120 V, 60 Hz, max 14 A (with external pumps/thermostats) Dimensions: Approx. 26.4? H × 18.5? W × 11.45? D (wall-hung) Included: Factory-installed CH pump; 30 PSI CH pressure relief valve; outdoor temperature sensor; vent top with integrated 2? PVC or 3?×5? concentric adapter; wall mounting bracket; manuals Certifications: ENERGY STAR; ANSI Z21.13 / CSA 4.9; ASME; SCAQMD Ultra Low NOx Warranty: Residential—Heat exchanger 12 years; parts 5 years; labor 1 year (see Rinnai terms) Save Fuel With Condensing Efficiency A stainless-steel condensing heat exchanger, outdoor reset, and fully modulating burner (15,000–199,000 BTU/h DHW; up to 150,000 BTU/h CH) help the I-Series Plus reach up to 96% AFUE. You get steady heat with lower gas consumption compared to non-condensing systems—without sacrificing hot-water output. Everyday Hot Water You Can Feel The integrated DHW plate heat exchanger delivers real-world flow: about 5.1 GPM at a 70°F rise (max 9.8 GPM at low rises). Minimum activation is just 0.4 GPM, so taps and showers respond quickly, while DHW priority/proportional control keeps temperatures consistent during peak use. Durable Materials, Easier Care Stainless-steel water-tube construction resists corrosion, and front access simplifies annual maintenance. A quiet design (?43–47 dB(A)) keeps living spaces comfortable, and built-in safeties cover flame failure, overheat, and more. Installer-Friendly From The Box A factory-installed pump, 30 PSI CH relief valve, outdoor sensor, and vent adapter reduce parts runs. Electrical is 120 V with a 14-amp max (including external pumps / thermostats), and the unit provides NPT connection points for straightforward piping. Flexible Venting = Easier Layouts Direct-vent with 2? or 3? PVC/CPVC/PP (twin pipe up to 75 ft in 2? or 160 ft in 3?, layout-dependent), or use a 3?×5? concentric kit. Ubbink 2? PP flex vent is also supported (up to 50 ft). See the installation manual for approved materials, lengths, and terminations. Sized Right For Mechanical Walls The compact 26.4? × 18.5? × 11.45? cabinet frees floor space compared to tank systems. Plan condensate routing and clearances per the spec sheet before mounting. Smart Controls & Compatibility I-Series Plus adds Smart Sense adaptive gas-valve technology and is Wi-Fi capable with accessories. Outdoor reset and DHW priority are standard, and the boiler is approved for room-air installations where allowed by code.
 

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