While the cooling side requires a Direct Acting (DA) thermostat

Easy Electrical Integration: Operates on standard 24V power supply (50/60 Hz)

The Parker AFSB05 is a high-performance 120V solenoid coil designed for reliable actuation in industrial and commercial fluid control systems

This factory-direct part eliminates the risk of using non-compliant after-market seals that often fail under the thermal stresses of a residential heat exchanger

6 Amps during the heating cycle

Weil McLain 510-811-458 Kit THPU32HP7Y While the cooling side requiresThe Weil McLain 510 811 458 is a critical intermittent pilot ignition conversion kit designed to transition aging boilers from obsolete Honeywell S86H or White Rodgers systems to modern United Technology (UCS) ignition control. Engineered specifically for Weil McLain EG and CG series boilers (sizes 30 through 55), this OEM gas boiler repair kit provides a direct solution for technicians addressing inconsistent ignition or failed pilot burner