multiple units can be wired in series to control additional heater banks while maintaining integrated fan interlock safety via the M1-M2 terminals

providing a seamless fit for the manifold and ensuring that the manifold pressure matches the manufacturer's performance curve for safe and efficient heating cycles

technicians can quickly diagnose power issues without opening the enclosure

3 seconds at 5 µA

Weil McLain 510-312-275 Ventor Motor Refrigerant multiple units can be wiredThe Weil McLain 510 312 275 Ventor Motor is a high performance 1 12 HP replacement draft inducer motor specifically engineered for Weil McLain series HE, HE II, and VHE boilers. Designed to maintain optimal combustion efficiency, this centrifugal blower motor operates at 3400 RPM on a standard 115V, 60Hz single phase power supply. As an essential component for the safe expulsion of flue gases, the 510 312 275 ensures the pressure switch remains