Reznor 257665 Ignition Cable 321894-708 Safe Isolation: Integrated mica washers

Safe Isolation: Integrated mica washers eliminate internal short-circuit risks in the pilot head

OEM Precision: Calibrated specifically for Trane unit specs to eliminate nuisance trips caused by generic aftermarket switches

typically resulting in a specific error code on the control board

as well as Honeywell IS22141081S5082

also identified as 80K2801

Reznor 257665 Ignition Cable 321894-708 Safe Isolation: Integrated mica washersThe 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