Weil McLain 383-500-021 Time Delay Kit 30067439-890 Verify the model number on

Verify the model number on your furnace data plate

Key Benefits Precision Refrigerant Control: Maintains exact superheat levels to maximize system cooling capacity and prevent compressor damage

2A at 120 VAC/DC

it offers seamless backwards compatibility for older furnace and rooftop units

extending the service life of surrounding electrical components

Weil McLain 383-500-021 Time Delay Kit 30067439-890 Verify the model number onThe 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