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Mend f30 Check Air Switch

f30 on/ off?

tubes ok
venturi ok
fan ok
flue ok
how do i check air pressure switch ok !!!!

steven
March 2008
f30Heating, Home Heating SystemsCheck Air Switch
replied to prev post. if aps broke, connected multi meter would read open line if you blew through it but if its struggling rather than broken you could be providing more pressure than its getting under normal circumstances and end up with a resistance reading. ????????

iain
March 2008

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F30 Furnace Checks & Air Pressure Switch