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Lochinvar PRS20024 is a blocked-flue air pressure switch designed as a replacement part for Lochinvar boilers and water heaters. The PRS20024 actuates at 0.68 inch water column (0.68" WC PR-V) to detect blocked flue conditions and control combustion safety. It is referenced to replacement MPN 100294585 and is compatible with multiple Lochinvar models including 502, 652, 752, and 1262 series. The part was discontinued March 14, 2018.
Blocked-flue air pressure switch; 0.68" WC activation; fits Lochinvar 502/652/752/1262 series; replacement MPN 100294585; discontinued March 14, 2018
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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