While designed for R-404A and R-502

verifying the ignitor resistance—typically between 39 and 70 ohms—is the standard procedure for identifying a failed element before a complete lockout occurs

This gauge is rated for 400 PSI at 100°F and 200 PSI at 400°F

making it a standard choice for bottle coolers

the 2272137 kit is utilized across several Utica and Dunkirk series regardless of the fuel source

Resideo Q3205U1107 Hot Surface Ignitor 321702-401 While designed for R-404A andThe Resideo Q3205U1107 GlowFly is a universal hot surface ignitor designed for 120V gas fired heating equipment. Engineered with high density silicon nitride, this heating element replacement provides superior physical durability compared to traditional silicon carbide ignitors, reducing breakage during installation and transit. As a universal HVAC ignitor, it functions as a direct drop in for over 110 OEM furnace models, simplifying truck stock and