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TM9T - Low Heat

Article ID: 373
Last updated: 25 Feb, 2019

York Gas Furnace: TM9T

Re: Low Heat

The furnace operates normally but the customer reports that it has difficulty keeping-up during cold weather.


Qty Possible Causes:
Mis-Wired Low Voltage
2 Low Gas Pressure
Open Return
Mis-Located Thermostat

CHECKOUT

1. Check Low Voltage Wiring

  • Ensure that both W1 and W2 have a low voltage wire connected.
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Article ID: 373
Last updated: 25 Feb, 2019
Revision: 5
Access: Public
Views: 59
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