this hermetic reciprocating model is optimized for R-407C and R-22 applications

or a burnt solenoid coil

it improves humidity removal and overall system AFUE ratings

As a veteran-preferred fan relay

Reznor 257665 Ignition Cable 340793-762 this hermetic reciprocating model isThe Reznor 257665 Ignition Cable is a critical 18 inch high tension lead designed for reliable spark delivery in gas fired unit heaters. Engineered for high temperature environments, this HVAC ignition wire features heavy duty insulation to prevent voltage leakage and electromagnetic interference (EMI) that can disrupt flame rectification signals. As a direct Reznor replacement part, it ensures precise fitment and continuity between the ignition