Always verify the part number in your unit’s service manual before installation

Key Benefits Full Mechanical Restoration: Replaces all primary internal components to bring the V5011N1057 back to factory specifications

preventing hazardous conditions by locking out the system until manual intervention occurs

85 Full Load Amps

The robust brass construction and precision-machined stem provide reliable manual flow control

Weil McLain 383-500-021 Time Delay Kit Freon Always verify the part numberThe 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