Trane RLY3522 Relay 318172-701 The 10U43 is designed primarily

The 10U43 is designed primarily for Lennox CBX32MV units

and Broan equipment to ensure exact fit and electrical matching

8-second flame failure response time to prevent gas accumulation

but system behavior depends on the logic of the defrost board or furnace control module it is wired into

Trane RLY3522 Relay 318172-701 The 10U43 is designed primarilyThe Trane RLY3522 is a high capacity 24V low voltage relay designed for demanding industrial and light commercial HVACR applications. Engineered with a 50A current rating and a DPDT (Double Pole Double Throw) configuration, this miniature relay provides isolated control over two independent circuits, making it an essential component for high load switching in fan motors, compressor contactor logic, and pump sequencing. The silver cadmium oxide