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HVAC technicians trust the 89M78 for its strict +/- 5% tolerance and 10
2 bar and 6 bar (approx
making it a preferred choice for fan coils
This comprehensive kit is engineered specifically for Weil McLain WTGO
Replacing the entire 31J35 pilot burner assembly ensures a clean 0
Resideo VC8110ZZ03 Actuator 326058-755 HVAC technicians trust the 89M78The Resideo VC8110ZZ03 Actuator is a 24V 2 position 2 wire factory replacement designed for high performance zone control in hydronic systems. Engineered for seamless compatibility with VC Series valves, including 1000 series 2 way and 6000 series 3 way bodies, this low volt actuator delivers a reliable 60 psi close off pressure. With its nominal 6 second timing and SPST control signal, it provides precise on off hydronic valve control for fan coils,