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it must be installed according to the flow direction arrows and local mechanical codes to ensure proper draft
also identified by model number CO-11
dry-firing
The hardware features a 30-inch nickel-plated copper capillary and a 1/4-inch stuffing box
Is this switch compatible with 2-stage furnaces
Lochinvar & A.O. Smith 100110729 Prover Switch R-410A it must be installed accordingThe Lochinvar & A. O. Smith 100110729 Prover Switch is a critical safety component designed for high efficiency condensing boilers and commercial water heaters. This OEM pressure switch serves as a blower prover, ensuring the combustion air blower is generating sufficient static pressure to safely vent flue gases before the ignition sequence begins. As the direct updated version for FS6679 1338, this part features a normally open contact configuration