The Rinnai I-Series Plus IP120199C is a premium combi boiler delivering 120,000 BTU/h for central heating and an impressive 199,000 BTU/h for domestic hot water. Engineered for Ontario’s demanding climate, it provides reliable comfort for homes up to 3,500+ sq. ft. with 4–5 bathrooms.
This ENERGY STAR® certified unit combines compact design, high efficiency, and advanced smart technology—perfect for families needing both powerful heating and ample hot water in a single wall-hung system.
Heating Performance
15,000–120,000 BTU/h central heating range Works with radiant floors, baseboards, radiators, and hydronic air handlers Wide modulation ensures efficiency at low demand and power at peak demand 96% AFUE rating = lower energy bills during Ontario’s long heating season
Domestic Hot Water Capacity 199,000 BTU/h DHW input Delivers up to 9.8 GPM (≈5.1 GPM at 70°F rise) Supports 4–5 bathrooms running simultaneously Handles multiple showers, laundry, and dishwashing with ease
Applications in Ontario HomesHomes 2,500–3,500+ sq. ft. Families with 4–5 bathrooms or high hot water demand Radiant in-floor heating, panel radiators, baseboard systems, or hydronic air handlers Ideal for suburban GTA properties that require both comfort and capacity
Warranty Protection
12 Years – Heat Exchanger 5 Years – Parts 1 Year – Labor (with HVAC Market professional installation)
Rinnai I-Series Plus IP120199C Combi Boiler
- Size: 18.5” W × 26.4” H × 11.5” D
- Weight: 73 lbs
- Ultra-quiet: 42 dB(A)
- Vent runs up to 150 ft (3") / 75 ft (2")
- Flexible: concentric, twin-pipe, or room-air
