Enhanced Safety: Manufactured to meet rigorous industry standards for LP gas regulation and leak prevention

reducing the 1-inch gas port may restrict fuel flow and impact the Raypak boiler's ability to reach its rated BTU capacity

Is the AP13142-1 cross-compatible with older Rheem units

Proper installation requires inspecting the pump gaskets and checking the electrical terminal box orientation for terminal block clearance

Durable Construction: Lightweight yet rugged aluminum housing provides long-lasting service in industrial settings

Resideo HPSR104 Switching Relay L99H008 Enhanced Safety: Manufactured to meetThe Resideo HPSR104 is a robust four zone switching relay designed for professional hydronic applications. This 120V pump zoning panel provides precise control for up to four circulator pumps, integrating a dedicated priority zone for domestic hot water (DHW) calls. Engineered for versatility, it is fully compatible with most thermostats, including power stealing, electromechanical, and modern smart thermostats like the T6 Pro. Each thermostat