Lennox 18Y93 Relay Kit 30067439-890 Robust brass body construction ensures

Robust brass body construction ensures durability in high-cycle hydronic applications

The P91330 is typically configured as a manual reset or a high-differential safety limit to ensure a technician inspects the system for the cause of overheating before operation resumes

Enhanced Stability: The integrated bimetal element with feedback provides accurate response times and prevents hunting in proportional control loops

and large-scale HVACR control systems

What tools are needed for the swap

Lennox 18Y93 Relay Kit 30067439-890 Robust brass body construction ensuresThe Lennox 18Y93 Delay Relay Kit is a critical OEM component designed to regulate blower motor timing and facilitate efficient sequence operations in commercial HVAC equipment. As a primary delay relay kit, the 18Y93 provides a fixed 45 second blower on delay and a 150 second blower off delay, ensuring the heat exchanger is adequately warmed before airflow begins and residual heat is fully utilized post cycle. This HVAC time delay relay is the factory