Weil McLain 383-500-021 Time Delay Kit Freon Flame Resistance: ASTM D635 certification

Flame Resistance: ASTM D635 certification provides the necessary fire safety ratings for rigorous building codes

Its Single Pole Double Throw (SPDT) configuration facilitates flexible wiring for both normally open and normally closed circuits

True Clock Face: Provides a clear visual interface for quick time-of-day verification and manual adjustment

75A at 240V AC (Full Load) and up to 22

This 1" straight body configuration features a 2

Weil McLain 383-500-021 Time Delay Kit Freon Flame Resistance: ASTM D635 certificationThe Weil McLain 383 500 021 Time Delay Kit is a critical field service solution designed to optimize the ignition and cycling sequences of Ultra Gas Boilers. As an essential boiler replacement part, this kit addresses common issues where immediate firing or rapid cycling accelerates component wear. By integrating a 3 minute time delay relay, the system ensures that internal processes stabilize and residual heat is managed before the next call for heat