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Market Forge Industries M24G100A-4SP - User Manual

Market Forge Industries M24G100A-4SP
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OWNER’S MANUAL
Gas Operated Boilers
MODELS: M24G100A-4SP M24G200A-4SP
M36G100A-4SP M36G200A-4SP
M36G300A-4SP
WARNING:
IMPROPER INSTALLATION, ADJUSTMENT,
ALTERATION, SERVICE OR MAINTENANCE CAN CAUSE
PROPERTY DAMAGE, INJURY OR DEATH. READ THESE
INSTALLATION, OPERATION AND MAINTENANCE
INSTRUCTIONS THOROUGHLY BEFORE INSTALLING
OR SERVICING THIS EQUIPMENT.
Form Number: S-2404 REV. F 05/13
Printed in USA 35 Garvey Street, Everett, MA 02149
Telephone (617) 387-4100, (866) 698-3188, Fax (617) 387-4456, (800) 227-2659
custserv@mfii.com, www.mfii.com
IMPORTANT:
POST INSTRUCTIONS IN A PROMINET
LOCATION TO BE FOLLLOWED IN THE EVENT
THE USER SMELLS GAS. THIS INFORMATION
SHALL BE OBTAINED BY CONSULTING THE
LOCAL GAS SUPPLIER.
FOR YOUR SAFETY:
DO NOT STORE OR USE GASOLINE OR OTHER
FLAMMABLE VAPORS OR LIQUIDS IN THE
VICINITY OF THIS OR ANY OTHER APPLIANCE.

Questions and Answers

  • J
    Jean MortonAug 18, 2025
    What to do if the Market Forge Industries M24G100A-4SP Boiler main burners will not ignite?
    • D
      Donna HannaAug 19, 2025
      If the main burners on your Market Forge Industries Boiler won't ignite, ensure there is water in the boiler and that the water switch is on. Verify that the main water supply and electrical supply to the unit are also on. Make sure the main gas cock or supply line is open. Check the main fuse. If these steps don't resolve the issue, the gas valve may be defective and require replacement. Also, the pressure switch might be set too low; try resetting it, and replace it if a continuity check indicates it's defective.
  • R
    rosssmithAug 21, 2025
    What to do if Market Forge Industries Boiler fails to build up pressure?
    • R
      Ryan KleinAug 21, 2025
      If your Market Forge Industries Boiler isn't building pressure, first ensure the main gas is turned on and the gas valve is set to the burners 'on' position. Check for current flow at the water level control, pressure control, and high limit control switches by performing a continuity check. If there's no voltage through the right side of the control board, replace it. Readjust the pressure control and high limit control switches to the proper setting, replacing them if they are defective.
  • M
    Mitchell JonesAug 23, 2025
    Why Market Forge Industries M24G100A-4SP pilot will not ignite?
    • V
      vjamesAug 23, 2025
      If the pilot on your Market Forge Industries Boiler won't ignite or hold, start by checking that gas is reaching the unit and that the gas line is purged of air. Ensure the main gas cock knob is in the ON position. Purge or blow out the gas line to clear any air pockets or clogs. Inspect the wiring and connections at the pilots and power unit, replacing or tightening as needed. Check the switching across the water level control or pressure switches for continuity, replacing any defective units. If none of these steps work, the gas valve may be defective and require replacement.
  • S
    Sarah FreemanAug 26, 2025
    What to do if Market Forge Industries Boiler overfills with water?
    • J
      Jamie FryeAug 26, 2025
      If your Market Forge Industries Boiler is overfilling with water, start by cleaning the probes, as they may be scaled. If the issue persists, the water supply valve may be failing to close; clean the valve seat or replace the valve. If neither of these steps resolves the problem, the water level control may be defective and require replacement.
  • J
    Jenna RaymondAug 28, 2025
    Why Market Forge Industries M24G100A-4SP fails to cut off after reaching operating pressure?
    • D
      Dr. Jennifer Estrada DDSAug 28, 2025
      If your Market Forge Industries Boiler continues to build pressure even after reaching the operating level, the pressure switch may be set too high or be defective; adjust it or replace it if necessary. Alternatively, the gas valve might be failing to cut off the gas supply; if this is the case, replace the gas valve.
  • G
    gballAug 30, 2025
    Why Market Forge Industries M24G100A-4SP Boiler fails to reach full operating pressure?
    • A
      Angie NavarroAug 30, 2025
      If your Market Forge Industries Boiler is not reaching its full operating pressure, first, replace the pressure gauge if it reads inaccurately. Then, follow the instructions for readjusting the pressure control and high limit control switches. Purge the safety valve manually or replace it if it's not seating properly. Adjust the water level control and check the water feed valve for sticking, cleaning or replacing as needed. Replace the air vent if it's not venting properly. Finally, check the burner flames and gas supply, referring to the instructions on gas adjustments.
  • C
    Cassandra SullivanSep 1, 2025
    Why Market Forge Industries M24G100A-4SP Boiler safety valve blows off prematurely?
    • B
      baileyjosephSep 2, 2025
      If the safety valve on your Market Forge Industries Boiler is blowing off prematurely, the pressure may be set too high; readjust the pressure control. If that's not the issue, the pressure gauge might be reading incorrectly, in which case you should replace it. There may also be lime or debris on the seat of the valve, so try purging or replacing it.
  • C
    Colleen TuckerSep 4, 2025
    What to do if water does not enter Market Forge Industries M24G100A-4SP?
    • P
      Paul KirbySep 4, 2025
      If water is not entering your Market Forge Industries Boiler, first ensure the main water supply is turned on. Check the main fuse or circuit to ensure power is reaching the unit. Remove and clean the probes. If voltage is verified at the solenoid coil, but it fails to open, replace the solenoid.
  • C
    Christopher DominguezSep 6, 2025
    What to do if Market Forge Industries M24G100A-4SP builds up to pressure, shuts down, fails to come back on?
    • D
      David SimpsonSep 6, 2025
      If your Market Forge Industries Boiler builds up pressure, shuts down, and then fails to restart, 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 they are defective.
  • P
    pamela53Sep 8, 2025
    Why water enters Market Forge Industries M24G100A-4SP very slowly?
    • C
      Cathy LeeSep 8, 2025
      If water is entering your Market Forge Industries Boiler very slowly, the strainer screen on the water fill solenoid valve may be clogged; clean or replace the strainer screen. Alternatively, there may be debris or lime accumulation on the seat of the water fill valve; clean the valve seat.

Market Forge Industries M24G100A-4SP Specifications

General IconGeneral
BrandMarket Forge Industries
ModelM24G100A-4SP
CategoryBoiler
LanguageEnglish

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