Common Questions: Is this sheave compatible with 5L or B-section belts

and O-rings to return the valve to factory-spec pressure and flow efficiency

it must spin clockwise to pull air through the coil and exhaust it properly

mounting directly to existing NT series valve bodies without system drainage

Schneider Electric (Erie) AG13A000 Actuator Els PW 17895 Common Questions: Is this sheaveThe Schneider Electric Erie AG13A000 PopTop Actuator is a field proven 24VAC two position spring return actuator designed for reliable control of hydronic zone valves in residential and commercial HVAC systems. This normally closed unit features a synchronous motor drive that efficiently moves the valve to the desired position when energized and returns to the safety position upon loss of power via a heavy duty stainless steel spring. Engineered for