The integrated thermocouple is vital for safe operation

This industrial-grade radial bearing is designed for longevity in high-RPM environments

Can I use this blower wheel for other Aaon models

opening the main burner orifice once the inducer motor and pressure switch have verified proper venting

Does this unit require a manual reset button to restore power

Trane RLY2138 Relay 320734-701 The integrated thermocouple is vitalThe Trane RLY2138 Relay is an essential OEM industrial grade component for precise 24V HVAC control. This robust 1NO 1NC relay (normally open normally closed) is engineered for switching high current loads in Trane air handlers, furnaces, and light commercial packaged units. Featuring high conductivity silver cadmium oxide contacts, the RLY2138 is rated for up to 25A at 277 VAC, providing reliable SPST performance with a 7FLA 42LRA inductive rating.