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Laars MCH 125 Induced Draft Hydronic Boiler & Indirect Water Heater

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Price: $2,534.28
Item Number: 9245
Manufacturer Name: Laars Heating Systems Company
Manufacturer Part No: MCH125NCSS
Laars MCH 125 Induced Draft Hydronic Boiler & Indirect Water Heater
Specifications:
  • Input (MBTU/h): 125
  • Input (kW): 36.6
  • Heating Capacity (MBTU/h): 102.5
  • Heating Capacity (kW): 30
  • Net IBR (MBTU/h): 89.6
  • AFUE: 82.4%
  • 1st Hour Rate (GPH): 168
  • Clearances:
    • Left: 2"
    • Right: 3"
    • Front: 4"
    • Rear: 2"
    • Top: 23"
Water Heater Features:
  • 30-gallon stainless steel tank
  • Maximum working pressure - 150 psi
  • 2" thick foam insulation. Less than 1/2°F per hour heat loss
  • Hydrostatic test pressure at factory - 300 psi
  • Pre-piped, factory assembled
  • Single-wall cupro-nickel heating coil
  • Circulating pump
  • Check valves, for system isolation
  • Adjustable tank stat, pre-set at 130°F
  • Pre-installed temperature and pressure relief valve rated at 210°F and 150 psi
  • Pre-piped 3/4" drain valve
  • Domestic water priority
  • High recovery rates (with 65°F rise)
Hydronic Boiler Features:
  • Built-in vent damper
  • Maximum working pressure - water 30 psi, ASME-rated
  • Hydrostatic test pressure at factory - 60 psi
  • Maximum gas supply pressure: Natural - 9" W.C., Propane - 14" W.C.
  • Pressure relief valve - capacity in excess of boiler input rating
  • Cast Iron Headers and Wet Walls - per Section IV, ASME Code
  • Water tubes - all copper with integral finned tubes
  • 115/24V transformer
  • Pump relay & inducer

Mini-Combo Model MCH.pdf

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