these gaskets are designed for dry installation

While they share the same mounting

Repairing a unit heater requires precise safety components

you need a replacement that matches the original tolerances of the regulator body

MARS 61460 Contactor 30067439-890 these gaskets are designed forThe MARS 61460 Contactor is a professional grade 3 pole definite purpose contactor engineered for consistent performance in demanding commercial HVACR and industrial motor control applications. With an inductive current rating of 50A and a resistive rating of 63A, this component is built to manage heavy electrical loads in refrigeration systems, air conditioning units, and electric heating arrays. The 24V coil is designed for low voltage control