Built with a 48 NEMA frame size and featuring a sleeve bearing system

typically operating effectively even when back pressure reaches up to 99% of the inlet pressure

This model features an integral vent limiting orifice

you know that a reliable ignition sequence is the backbone of any boiler’s performance

High Thermal Resilience: Rated for fluid temperatures up to 250°F

Heatcraft Refrigeration 4402S Heater R-134A Built with a 48 NEMAThe Heatcraft Refrigeration 4402S is a high output electric defrost heater engineered for heavy duty commercial evaporation units. As a veteran grade OEM replacement part, this 70 inch tubular element delivers a consistent 1200 watts at 230V, ensuring rapid frost dissipation in walk in freezers and cold storage environments. Designed for seamless integration with Bohn, Larkin, Climate Control, and Chandler evaporator coils, the 4402S maintains optimal