Lennox 52W74 TXV Valve 340793-762 Key Benefits Direct X13 Replacement:

Key Benefits Direct X13 Replacement: Designed with the same connector block and footprint to simplify retrofitting in existing air handlers

this is an automatic reset rollout switch

and secure the flange to the duct wall

What causes a combustion blower assembly to fail

Lennox 52W74 TXV Valve 340793-762 Key Benefits Direct X13 Replacement:The Lennox 52W74 TXV Valve is a critical metered expansion device engineered for high tonnage R410A refrigerant systems. Designed to maintain precise superheat control at the evaporator, this thermostatic expansion valve (TXV) ensures optimal heat transfer and prevents liquid slugging, which is essential for protecting the compressor in commercial HVACR applications. With a robust 10 ton capacity, the 52W74 utilizes a threaded inlet and outlet for