or cracked heat exchangers that cause internal temperatures to exceed the 333-degree rating

Utilizing high-grade elastomers and a precision-tensioned spring

This rod is built to withstand extreme thermal cycling while maintaining electrical continuity for consistent burner performance

providing a critical failsafe against flue gas recirculation and improper venting

Lovejoy 68514412274 Rubber Insert Els PW 17895 or cracked heat exchangers thatThe Lovejoy 68514412274 is a professional grade L190 Jaw Shaft Coupling NBR Elastomeric Spider, engineered for high demand power transmission in industrial and HVACR systems. As a direct equivalent to the L 190SOX, this Solid Center Rubber Insert is manufactured from premium Nitrile Butadiene (Buna N) rubber, providing a 1,728 in lb torque rating and a maximum speed of 5,000 RPM. This flexible coupling element is designed to absorb significant shock