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LAARS® Mini-Therm JVS075NDIIU2 Gas Fired Hydronic Boiler, 85 % AFUE, 750000


The Laars mini-therm gas-fired, residential hydronic boiler is an ideal heating appliance that can reduce homeowners heating costs and has plenty of capacity to keep even the largest home comfortable on the coldest days. Extremely popular with homeowners, the JVS model offers an attractive and easy-to service jacket. Well-known for it's economy, the Mini-Therm has a built-in draft diverter and automatic vent damper to stop your valuable fuel payments from disappearing up the chimney in wasted heat. Reliable, gas-fired hydronic boiler with compact design and small footprint, the Mini-Therm JVS has a low-mass heat exchanger, a super-quick heating response and is up to 85% AFUE, making it the perfect economic and environmentally responsible choice.

LAARS® Mini-Therm Gas Fired Hydronic Boiler, Series: JVS, 115 VAC, Less Than 12 A, 22 kW Input, 60 Hz, 1 -Phase, 85 % AFUE, 750000 Btu/hr BTU, 30 lb/sq-in Pressure, 1-1/4 in NPT Supply/Return, 1/2 in NPT Gas Connection, Natural, LP Gas Fuel, Chimney Vent, Spark Ignition, 27-3/4 in H x 27-1/2 in D

Power Rating      :      22 kW Input
AFUE Rating      :      85 %
Dimensions      :      27-3/4 in H x 27-1/2 in D
  • PI controller
  • Outdoor reset with ratios of 0.4 to 3.6
  • Warm weather shutdown (WWSD)
  • Domestic hot water operation (DHW)
  • Indicator lights for power, heat call, DHW call and WWSD
  • Automatic boiler differential
  • Pump pre-purge, post-purge and exercise
  • Codes for sensor errors
  • Venting - built-in draft diverter
  • Design certified/tested by CSA international
  • Natural or propane gas
  • Maximum working pressure: water 30 lb/sq-in, ASME rated
  • Hydrostatic test pressure at factory - 60 lb/sq-in
  • 30 lb/sq-in ASME pressure relief valve
  • Maximum gas supply pressure: natural 10-1/2 in WC, propane 13 in WC
  • Pressure relief valve - capacity in ex-cess of boiler input rating
  • Material specifications per section IV, ASME code
  • Headers - cast iron per ASME requirements
  • Tubes - copper with integral formed external fins
  • Main burners - aluminized steel