RHEEM 234593 Water Heater Parts Product

Vacuum Switch

The Vacuum Switch is an O-ring style replacement part for Rheem water heaters. When installed, this part creates an airtight seal between the heater's gas burner assembly and the flue. This seal prevents gas from escaping from your heater, while preventing leaks due to loose or corroded gaskets.

Vacuum Switch for RHEEM 234593 water heater parts

The Vacuum Switch for RHEEM water heaters has an adjustable relief valve that controls water pressure, and is designed for models including hot water storage tanks, air source heat pumps, electric heat pumps, split systems, and steam units.

The Vacuum Switch mounts to the side of the gas valve plate with two screws. The vacuum switch is located on the suction side of the gas control valve. This switch detects a loss of vacuum in the gas supply gas tubing and automatically shuts off the gas valve if this condition occurs.

This Vacuum Switch is utilized in Rheem water heaters to provide the pilot light function. This part usually fails due to a broken ceramic housing or O-Ring.

The Rheem Vacuum Switch is compatible with select heat pump models, and helps protect the water heater from damage caused by excessive pressure.

The vacuum switch for gas water heaters monitors the inlet pressure. It is mounted inside a gas control valve and is used to open and close the main gas valve.