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and Janitrol furnace models requiring an L135-40F specification
and Voyager unitary systems
Can I use a switch with a different pressure rating
Is the Watts 0780352 the same as the C4 float
Is the R06740 compatible with R-410A systems
Lochinvar & A.O. Smith 100166242 Pressure Switch Els PW 17895 and Janitrol furnace models requiringThe Lochinvar & A. O. Smith 100166242 Pressure Switch is a critical safety component designed for precise draft and combustion monitoring in high efficiency heating systems. Set to a fixed . 27" WC (Water Column) trip point, this SPDT (Single Pole Double Throw) switch ensures that the inducer motor or blower is generating the correct static pressure before allowing the ignition sequence to proceed. As a veteran tech, you know that a failing switch
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