#56 Pilot Orifice (.0465)
The S1-029-20422-056 Solid pilot orifice is used with the 8-32 Series pumps. The pilot orifice controls the flow rate of the pump, and is adjustable by using a wrench and a screwdriver.
For maximum flow, the B-vent stack requires a 0.0465" orifice.
The Pilot Orifice is a part of the boiler control system located in between the boiler and the pressure switch. The signal from this orifice is used by the pressure switch to turn on and off as needed.
This orifice is for use with York model
Pilot Discharge Valve (Return) 2 3/4 in (70mm) NPT
Air Basin Drain - Type: Air Basin Drain - Flow Rate:Gallons Per Minute (.75 GPM) - Material: PVC - Connection: 1/2" FNPT Connection
The orifice is used to control the flow of liquid and/or gas through the piping system.