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Old 04-12-2008, 02:44 PM   #1
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Furnace/Thermostat ?


I have a Lennox G24M Series Furnace....Lately the furnace fires up and then turns off repeatedly and then turns off....I have it set at 22 C . I haven't heard it do this before just wondering if someone might know what it could be.Is it possible that i may have a faulty thermostat??? Just bought a Noma 5+1+1 Programmable Is this safe to use on this furnace...Cause it say on the inside not to use with 12V/24V

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Old 04-13-2008, 09:59 AM   #2
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Furnace/Thermostat ?


Your furnace control circuit is 24v.
What is the model of your stat?

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Old 04-13-2008, 11:25 AM   #3
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Furnace/Thermostat ?


Currently have a Honeywell Stat....Just picked up a Honeywell RTH4300B Stat in exchange for the Noma
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