Rinnai M120SN Condensing Gas Boiler, Natural Gas (120K BTU)

Hot Water Heater: This boiler has a self-cleaning stainless steel heat exchanger with modulated ceramic burners and auxiliary flat heat exchangers for showers and taps.

Smart Features: The multi-zone control feature allows the thermostat and control pump to connect directly to the smart heater's boiler, heating the house and the water.

【User-Friendly Interface】The electric heater adopts digital display main screen, temperature and pressure display, outdoor reset sensor for easy setting of parameters; Up and down arrows can adjust the temperature between 44°F to 199°F.

SPACE SAVING DESIGN: This water heater has a compact wall mount design to save space; Multiple vent options include one 2" PVC, one up to 60' and 3" to 150' (about 45.7 meters).

Durability Guarantee: 12, 5 and 1 year residential and 5, 5 and 1 year commercial standard warranties heat exchanger, parts and labor