By sequencing these high-amperage loads

When performing a HVAC pressure switch replacement

including model CP 991 to 2071 commercial pool heaters and compatible boilers

This specific Carrier pressure sensor is calibrated for a range of 0 to 250 psi

the 100346615 is the official direct replacement for the discontinued 100093971 gas valve

Lochinvar & A.O. Smith 100113143 Switch 340793-762 By sequencing these high-amperage loadsThe Lochinvar & A. O. Smith 100113143 Blocked Inlet Switch is a critical safety component designed for high efficiency commercial water heaters and boilers, including the Cyclone BTH and State SUF series. This genuine OEM replacement part acts as a normally closed (NC) pressure sensor calibrated to 2. 5" WC. Its primary function is to monitor the integrity of the air intake system, ensuring the combustion blower receives adequate airflow for safe