Rinnai I Series Plus IP120S Condensing Solo Boiler, 120,000 BTU

The Rinnai I Series Plus IP120S is a wall-mounted condensing gas boiler for space heating, rated at 120,000 BTU maximum input. It runs on natural gas or liquid propane and combines built-in zoning, heating reset curves and app-based control.

Smart Sense adaptive gas valve technology sits at the core, and the boiler has four built-in zones. Seven heating reset curves and a quick set-up screen on the improved front display speed commissioning. Smart Connect adds Wi-Fi remote access and Bluetooth through the Rinnai Central app.

Venting can be concentric, twin pipe or room air, and up to 8 units can share a common vent. The boiler is approved for altitudes up to 10,100 ft. Connections are a 3/4 in. MNPT gas line and a 1/2 in. NPT condensate drain; it is not recirculation capable.

Highlights

• 120,000 BTU maximum input on natural gas or liquid propane

• Four built-in heating zones and 7 heating reset curves

• Wi-Fi and Bluetooth control through the Rinnai Central app

• Concentric, twin pipe or room air venting; common venting up to 8 units

• High altitude approved up to 10,100 ft

Specifications

Good to know

• Gas-fired appliance: it must be installed, vented and commissioned by a qualified installer in line with local codes and the manufacturer's installation manual.