Pressure Switch
Pressure switch is located on the outdoor unit, has a wafer-style switch, Size - 2 in. x 1 in. x 1 in., Color - red, white and black checker pattern, Connections - wire leads with terminals, Voltage - 120-Volt AC
The RHEEM Pressure Switch is used to sensing switch at gas burner
RHEEM RUD-42GJNAH00 pressure switch, Nema 1 enclosure, 250-277 VAC.
A replacement pressure switch for Ruud models RUUD 0012C18G, RUUD 0012C18G-08 and RUUD 42-102056-04
This is a pressure switch manufactured by Ruud. The part number on this pressure switch is 172622. This pressure switch is an OEM replacement part.
Pressure switches sense pressure changes in a water system and send a control signal to actuators such as water valves.
This is a brand new RHEEM pressure switch. It comes with a 1 year manufacturers warranty.
Pressure switch 172622 -Ruud 42-102056-04 for unit
models:- Ruud Air Conditioning Systems,
Series: PRC100M100A100B100S100P100H100C100D100E100J100K100R (Replaces 172637), MCM0B080, MCPMB080 parts list
http://www.ruud.com/docs/equipment_sheets/PRC%20100%20Series%20Equipment%20Sheet.pdf
The pressure switch functions to automatically shut off the gas flow to the gas valve when a specified drop in water pressure has been reached.
The Ruud pressure switch is designed to work with Rheem comfort heating and cooling systems. It alerts you if there is a loss of oil pressure in the system, so you can quickly address the issue. This switch fits a 42 series Ruud furnace or a 102055-04 furnace.
Fits Ruud and Ruud GQBP Series gas furnaces