Weil McLain 383-500-021 3-Minute Time Delay Relay

The Weil McLain 383-500-021 3-Minute Time Delay Relay enables electrical circuits to activate after a three-minute delay for short cycling protection of HVAC systems. This product operates through mechanism that delays equipment restarts by 3 minutes to enable pressure and temperature stabilization. The boilers and heating systems benefit from this relay which extends performance by minimizing system pressure and stopping quick on/off cycles. This assists equipment operation through multiple benefits that result in longer service span and more efficient use of energy. This compact product operates as a reliable system component which protects HVAC systems from operating inconsistently and unsafely.