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This Carrier blower assembly component serves as the direct successor to legacy part numbers 319818-724 and 324901-701
When replacing older Penn P70 series units
it features 3/8" compression fittings for seamless integration with copper or polytubing
5" WC trip points for system safety
Is this compatible with 50Hz and 60Hz systems
Lennox 29W64 Switch 321042-401 This Carrier blower assembly componentThe Lennox 29W64 Pressure Switch is a critical safety component designed for two stage gas furnaces, engineered to monitor pressure differentials within the inducer system. This SPST (Single Pole Single Throw), normally open switch is calibrated to trip at 0. 90 1. 30" WC, ensuring precise venting and combustion safety protocols are met before the ignition sequence proceeds. Built to withstand high cycle operations in residential HVAC environments,
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