Rinnai - M090SN - M-Series Heat Only 90,000 BTU Condensing Boiler
Why the "M" Series? For maximum momentum. Using proven technology, these boilers are designed to keep your day going and your family happy.
Standard Features:
- Onboard outdoor reset control system with sensor standard
- Prebuilt plumbing kit with insulated Low Loss Header
- Domestic hot water plate warming
- Modulating Ceramic premix burner
- 5:1 turn down ratio
- Spark ignition
- Exceeds SCAQMD 1146.2 Low NOx requirements
- Stainless Steel Water tube condensing heat exchanger
- Direct Vent sealed combustion
- Concentric and twin pipe venting adapters included
- Approved for room and closet installations
- Max Input: 90,000 BTUh
- Minimum Input: 17,000 BTUh
- Turndown Ratio: 5.3.1
Dimensions:
FTC Energy Guide
Product Information
Product Information
Shipping & Returns
Shipping & Returns

Rinnai - M090SN - M-Series Heat Only 90,000 BTU Condensing Boiler
Rinnai - M090SN - M-Series Heat Only 90,000 BTU Condensing Boiler
Why the "M" Series? For maximum momentum. Using proven technology, these boilers are designed to keep your day going and your family happy.
Standard Features:
- Onboard outdoor reset control system with sensor standard
- Prebuilt plumbing kit with insulated Low Loss Header
- Domestic hot water plate warming
- Modulating Ceramic premix burner
- 5:1 turn down ratio
- Spark ignition
- Exceeds SCAQMD 1146.2 Low NOx requirements
- Stainless Steel Water tube condensing heat exchanger
- Direct Vent sealed combustion
- Concentric and twin pipe venting adapters included
- Approved for room and closet installations
- Max Input: 90,000 BTUh
- Minimum Input: 17,000 BTUh
- Turndown Ratio: 5.3.1
Dimensions:
FTC Energy Guide
Original: $1,338.54
-65%$1,338.54
$468.49Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Why the "M" Series? For maximum momentum. Using proven technology, these boilers are designed to keep your day going and your family happy.
Standard Features:
- Onboard outdoor reset control system with sensor standard
- Prebuilt plumbing kit with insulated Low Loss Header
- Domestic hot water plate warming
- Modulating Ceramic premix burner
- 5:1 turn down ratio
- Spark ignition
- Exceeds SCAQMD 1146.2 Low NOx requirements
- Stainless Steel Water tube condensing heat exchanger
- Direct Vent sealed combustion
- Concentric and twin pipe venting adapters included
- Approved for room and closet installations
- Max Input: 90,000 BTUh
- Minimum Input: 17,000 BTUh
- Turndown Ratio: 5.3.1
Dimensions:
FTC Energy Guide












