Trane RLY3065 Relay 321894-709 this specific model is rated

this specific model is rated for a 0 to 100 psi range

the 0121549 is the direct lead-free replacement for the legacy 174A-1 1/2-150

the relay has effectively locked out the circuit due to a detected fault

Features durable

Trane RLY3065 Relay 321894-709 this specific model is ratedThe Trane RLY3065 Relay is a heavy duty, industrial grade DPDT relay specifically engineered for reliable switching in commercial and residential HVACR control circuits. Designed with a 24V coil and a 5 amp contact rating, this double pole, double throw relay provides the versatile logic required for fan sequencing, damper control, and interlocking auxiliary equipment. Built to withstand high cycle operations in demanding environments, the RLY3065