Why is my blower motor making a humming sound

the Magnatrol G129L53SC-ACTH utilizes a Class H encapsulated coil rated for 120V AC continuous duty

Environmental Protection: The NEMA 4X rated enclosure protects the internal solenoid from dust

The heavy-gauge galvanized steel construction ensures durability against flue gas condensates

Common Questions What are the signs of a failing blower assembly

Lochinvar & A.O. Smith 100110735 Pressure Switch 326070-701 Why is my blower motorThe Lochinvar & A. O. Smith 100110735 Pressure Switch is a critical safety component designed for high efficiency commercial water heaters and furnace draft inducer systems. This OEM replacement part (replaces 9005920215 and 192761) functions as a pressure blower switch, ensuring the combustion blower is generating sufficient negative pressure before allowing the ignition sequence to proceed. For technicians troubleshooting a 3 flash error code or a