Rinnai M-Series boilers offer faster, easier installation with the compact and lightweight design and convenient mounting brackets. These boilers offer efficient heating with a modulating pump for consistent temperature control of water used in the heating system, efficient gas and less electrical consumption. Multiple venting options allow for installation in a variety of locations.
One of the most efficient combi boilers available
Stainless steel primary boiler heat exchanger for unmatched performance and durability; Copper nickel integrated DHW plate heat exchanger
Compact wall-mounted design saves space over traditional boilers
Features an integrated modulating pump, and outdoor reset sensor (in the box)
Flexible venting options with approved concentric, PVC, CPVC, stainless steel, polypropylene (rigid and flex), for single-pipe exhaust, room air and 2-pipe systems
Cost-effective, simplified installationfewer components needed
Residential warranty: 12-year on heat exchanger, 2-year on parts, 1-year on labor
Commercial warranty: 5-year on heat exchanger, 2-year on parts, 1-year on labor