Laars JVS 225 Mini-Therm Residential Hydronic Boiler Natural Gas

Price: Discontinued

Item Number: 10040

Manufacturer Name: Laars Heating Systems Company

Manufacturer Part No: JVS225N

Input (BTU/h): 225,000
Input (kW): 65.9
Firing Mode: 2-Stage
Configuration: Electronic Intermittent Ignition Device (I.I.D)
Heat Capacity (BTU/h): 189,000
Heat Capacity (kW): 55.4
Net IBR (BTU/h): 164,300
AFUE: 81.8
Water Connection: 1-1/4"
Gas Connection: 1/2"
Minimum Clearances from Adjacent Construction:
- Left & Right Sides: 6"
- Front: 4"
- Flue: 6"
- Top: 23" (50-125), 36" (160 & 225)

Standard Features:

Venting: built-in draft diverter
Design certified/tested by CSA International
Maximum working pressure - water 30 psi, ASME rated
Hydrostatic test pressure at factory - 60 psi
Material specifications as per Section IV, ASME Code
Maximum gas supply pressure - Natural - 10.5" w.c., Propane - 13" w.c.
Pressure relief valve - capacity in excess of boiler input rating
Headers: cast iron per ASME requirements
Tubes: pure copper with integral formed external fins
Main burners: aluminized steel
Air supply - natural aspiration
Altitudes: 0-10,000 ft.
Floor under boiler: when used on combustible floor, a special base must be supplied
Two-stage combustion system and operating control (JVS sizes 100-225)
Blocked vent safety switch (BVSS)
Pump relay: standard
Vent damper and wire harness
Rollout safety switch
Electrical - 115V/60Hz/1PH less than 12 Amps, 24 V transformer mounted and wired
20 Year Warranty