Heatmaster C Series User Manual

Heatmaster C Series

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OPERATION AND

MAINTENANCE

MANUAL

Version 5.2

C

C

Questions and Answers:

P
Paul ChavezSep 8, 2025
Why do I have to refill my Heatmaster C Series with water so often?
- B
  brandon32Sep 8, 2025
  If you're having to fill the furnace with water more then once a week or more then a few gallons of water per week and there is no obvious explanation: * Check the temperature settings and gasket on the door and ash drawer to ensure the furnace is not over temperature and steaming. * Check the perimeter of the furnace for water puddles collecting or dripping from the furnace. * Check all plumbing in the system to ensure there are no leaks.
J
Janice HortonAug 25, 2025
What to do if Heatmaster C Series water is hot but buildings do not have heat?
- K
  Kristina WilsonAug 25, 2025
  If the water in your Heatmaster furnace is hot, but your buildings aren't receiving heat: * Ensure all pumps in the system are running. * Check the filler cartridge for flow blockage (if one is installed). * Bleed off any air in the system at the exchanger. * Confirm that all valves are open to allow water flow. * Check the water temperature as it exits the furnace, enters the building, and before and after each heat exchanger.
R
raymondpowersAug 25, 2025
What to do if Heatmaster C Series overheats?
- W
  whiteheadashleyAug 26, 2025
  If your Heatmaster furnace is overheating: * Check that all doors are closing properly and that the door gasket is completely sealing. * Check that the damper plate is opening and closing without hang-ups. * Check venting and fan box on rear of furnace for air leaks. * Verify that the temperature settings are correct. The furnace should be set on Heating Mode (H1) and the high temperature setting should be set no higher than 185° F. * Examine the chimney draft. A chimney extended too far or exposed to strong winds may cause a downdraft. * Check the water level. * Ensure the door and ash drawer are airtight. * Confirm all pumps in the system are running.
M
Megan WellsAug 27, 2025
What to do if Heatmaster C Series Furnace has shut down?
- A
  Amber LewisAug 27, 2025
  If your Heatmaster furnace has shut down, check these items: * Confirm that the unit has power (does the light work?). * Ensure the Furnace On/Off switch is in the On position. * Check the water temperature. The furnace has a high-temperature cut-out at 190 degrees F and restarts at 140 degrees F.
T
tamara37Aug 27, 2025
What to do if there is smoke leaking out of the Heatmaster C Series door?
- C
  ctaylorAug 27, 2025
  If smoke is leaking from your Heatmaster furnace door: * Ensure the door is sealing properly. * Replace the seal if it's worn out. * Adjust the door by loosening the Door Latch Bearings and Door Hinge bearings, then set the door so it seals tightly against the door jamb.
N
Nichole VillegasAug 29, 2025
What to do if there is a chimney fire in my Heatmaster C Series Furnace?
- J
  James BlakeAug 29, 2025
  If there is a chimney fire in your Heatmaster furnace: * Make sure the firebox and ash pan doors are tightly closed. * Close all combustion air inlets on the furnace.
L
Lisa HessSep 14, 2025
Why is my Heatmaster C Series Furnace overheating?
- T
  Taylor CastanedaSep 14, 2025
  If your Heatmaster Furnace is overheating, check that all doors are closing properly and that the door gasket is completely sealing. Also, check that the solenoid damper plate is opening and closing without hang-ups. Inspect the venting and fan box on the rear of the furnace for air leaks. Ensure that the temperature settings are correct. Check the chimney draft; if it's extended too far or exposed to strong winds, it may cause a draft down the furnace. Verify the water level and make sure the door and ash drawer are airtight. Finally, ensure all pumps in the system are running.
N
Nicholas Harrison DDSSep 9, 2025
What to do if there is a chimney fire with my Heatmaster Furnace?
- T
  Tammy HansenSep 9, 2025
  If there is a chimney fire: * Make sure the firebox and ash pan doors are tightly closed. * Close all combustion air inlets on the furnace.
W
Willie PettySep 6, 2025
How to fix smoke leaking out of Heatmaster C Series door?
- T
  Thomas KingSep 6, 2025
  If smoke is leaking out of the furnace door: * Check to ensure the door is sealing properly. * If the seal is worn out it will have to be replaced. * The door may need to be adjusted.
N
Nichole JohnsonSep 2, 2025
What to do if Heatmaster C Series water is hot but buildings have no heat?
- S
  Sarah RobbinsSep 2, 2025
  If your furnace water is hot, but your buildings aren't getting heat, here are a few things you can check: * Make sure all pumps in the system are running. * Check the filter cartridge for any flow blockages, if one is installed. * Bleed off any air that may be in the system at the exchanger. * Make sure there are no closed valves that are preventing water flow. * Check the temperature of the water as it exits the furnace, enters the building, and before and after each heat exchanger.

Heatmaster C Series Specifications

General

Brand	Heatmaster
Model	C Series
Category	Furnace
Language	English

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