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Market Forge Industries M24G - User Manual

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EFFECTIVE AUGUST 29, 2014
M24G & M36G
GAS OPERATED BOILERS
PARTS AND SERVICE MANUAL
MARKET FORGE INDUSTRIES
44 Lakeside Avenue, Burlington, Vermont 05401 USA Telephone: (802) 658-6600 Fax: (802) 860-3732
www.mi.com
P/N 14-0308 (8/14)
Superseding All Previous Parts Lists.
The Company reserves the right to make substitution in the event that items specied are not available.
ERRORS: Descriptive and/or typographic errors are subject to correction.

Questions and Answers

  • J
    johnsonkendraAug 19, 2025
    Why won't the pilot light ignite on my Market Forge Industries Boiler?
    • H
      Heather FosterAug 19, 2025
      The pilot light may fail to ignite or hold due to several reasons. First, ensure gas is reaching the unit and the gas line is purged of air. Check that the main gas cock knob is in the ON position. An air pocket or clog in the gas line could also be the culprit; purge or blow out the gas line to resolve this. Defective wiring or poor connections at the pilots at the power unit can also prevent ignition; check, replace, or tighten these connections. Additionally, defective switching across either the water level control or pressure switches could be the cause; make a continuity check and replace any defective units. Finally, a defective gas valve may be the reason; in this case, replace the gas valve.
  • J
    Joanne HerringAug 21, 2025
    What to do if the main burners will not ignite on my Market Forge Industries M24G?
    • P
      Paula JordanAug 21, 2025
      If the main burners on your Market Forge Industries Boiler fail to ignite or stay lit, several factors could be responsible. First, ensure there is water in the boiler and that the water switch and main water supply are on, as well as the electrical supply to the unit. Verify that the main gas cock or supply line is open. Check the pressure switch setting; if it's too low, reset it, and replace it if a continuity check indicates it's defective. Also, check the main fuse if there's no voltage to the gas valve. If the gas valve is defective, it will need to be replaced.
  • J
    Jennifer CunninghamAug 23, 2025
    What causes a Market Forge Industries M24G Boiler to fail to cut off after reaching operating pressure?
    • E
      Elizabeth SilvaAug 25, 2025
      A Market Forge Industries Boiler might fail to cut off after reaching operating pressure due to a pressure switch set too high or if it is defective; in this case, adjust or replace it. Another possible cause is a gas valve that fails to cut off the gas supply when the pressure switch demands have been met; if this occurs, replace the gas valve.
  • A
    Anthony TorresAug 26, 2025
    Why does my Market Forge Industries M24G fail to build up pressure when the water level is correct?
    • C
      collierbrandonAug 26, 2025
      If your Market Forge Industries Boiler fails to build up pressure even when the water level is correct and the fuel switch is on, check the following: ensure the main gas is turned on and that the gas valve is in the burners 'on' position. Also, check for current flow at the water level control and pressure or high limit control switches using a continuity check. If there's no voltage through the right side of the control board, replace it. Readjust the pressure control or high limit control switches to the proper setting, and replace them if defective.
  • D
    Donald SellersAug 28, 2025
    How to troubleshoot a Market Forge Industries Boiler that fails to reach full operating pressure?
    • A
      Adam JacksonAug 28, 2025
      If your Market Forge Industries Boiler fails to reach its full operating pressure of 5 lbs or 15 lbs, consider these potential issues: The pressure gauge may be reading inaccurately, in which case it should be replaced. The pressure control and high limit control switches might be out of adjustment; follow the instructions for readjusting them. The safety valve may not be seating properly; try purging it manually or replace it. If the water level is too high, adjust the water level control and check the water feed valve for sticking, cleaning or replacing it as needed. An air vent that is not venting properly should be replaced. Finally, insufficient flames on the burners or an improper gas supply could be the cause; refer to the instructions on gas adjustments.
  • J
    James CastanedaAug 30, 2025
    What to do if my Market Forge Industries M24G overfills with water?
    • K
      kromanAug 30, 2025
      If your Market Forge Industries Boiler is overfilling with water, the probes may be scaled and need cleaning. Another possible cause is the water supply valve failing to close, in which case you should clean the valve seat or replace the valve. A defective water level control can also lead to overfilling; follow the test procedure and replace it if defective.
  • S
    susanjonesSep 1, 2025
    Why does the safety valve on my Market Forge Industries M24G blow off prematurely?
    • L
      Lori GordonSep 1, 2025
      The safety valve on your Market Forge Industries Boiler might be blowing off prematurely because the pressure is set too high; readjust the pressure control. Alternatively, the pressure gauge may be reading incorrectly, requiring replacement. Lime or debris on the seat of the valve can also cause this issue; try purging or replacing the valve.
  • I
    ihendersonSep 3, 2025
    Why is water not entering my Market Forge Industries M24G Boiler?
    • C
      Calvin AguirreSep 4, 2025
      If water is not entering your Market Forge Industries Boiler, first check that the main water supply is on. Also, verify that power is reaching the unit by checking the main fuse or circuit. Dirty probes can also prevent water from entering; remove and clean them. If the water level control board is defective, refer to the test procedure for troubleshooting. Finally, if voltage is verified at the solenoid coil but it fails to open, the solenoid valve is likely defective and should be replaced.
  • L
    lthomasSep 6, 2025
    What causes a Market Forge Industries Boiler to shut down and not restart?
    • B
      Brianna WeaverSep 6, 2025
      If your Market Forge Industries Boiler builds up to pressure, shuts down, and fails to come back on, the high limit switch may be set too low, or the operating pressure control switch may be set too high. Follow the instructions for readjusting these settings, and replace them if defective.
  • G
    gmanningSep 8, 2025
    Why does water enter my Market Forge Industries M24G Boiler very slowly?
    • B
      barnettbradleySep 8, 2025
      If water enters your Market Forge Industries Boiler very slowly, it could be due to a clogged strainer screen on the water fill solenoid valve; clean or replace the strainer screen. Another possibility is debris or lime accumulation on the seat of the water fill valve; clean the valve seat to resolve this.

Market Forge Industries M24G Specifications

General IconGeneral
BrandMarket Forge Industries
ModelM24G
CategoryBoiler
LanguageEnglish

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