".22""wc SPST Pressure Switch"
Add an extra layer of security to your heater or air conditioner with the Lennox .22""wc SPST Pressure Switch. This pressure switch works as a safety mechanism to ensure that the unit turns off if it begins to overheat, mitigating the risk of the unit becoming damaged. It is installed in the gas line, before the shutoff valve. There are two pressure settings for different types of heaters, and you can use it separately with other parts of your heater or air conditioner.
The Lennox 34M73 .22" W.C. Pressure Switch is an easily replaceable pressure switching device that can be used with the Lennox 34M71 Thermostat. It is a direct replacement for item #34M70 and is designed to detect changes in water temperature, which turns on the proper water valve to bring you either warm or hot water.
This is a two position single pole throw pressure switch. It has a coiled cord and 24" leads. The SPST buttons are rated for 20 amp at 125 volts, 25 amps at 250 volts, 15 amps at 400 volts. The shell is made of ABS plastic which is resistant to oils, acids, salt spray and solvents.
The Lennox 34M73, 2"" Pressure Switch is a pressure switch with leads. Each part is designed with exacting tolerances to ensure maximum performance and reliability in your water heating system. The Lennox 34M73, 2"" Pressure Switch can be used for a variety of applications including: domestic and commercial water heaters, air conditioning units, minisplits, zoning systems and underfloor electric heating systems.
The Lennox 34M73 Pressure Switch is a genuine replacement part and performs the same function as the factory pressure switch. This pressure switch ensures that the system's burner ignites and cycles off at the appropriate gas pressures. Having a properly working pressure switch is vital to provide reliable turn on/off, as well as flame height control and efficient heating.
This pressure switch is made by Lennox to fit into our product. A pressure switch is important since it senses when the water flowing from your home is pulsing, which restricts flow through your system. This pressure switch has a built in check valve so it can close off the valve in your plumbing system if you lose power or want to put the system into test mode. This will allow you to properly fi
A pressure switch is installed in the water supply line to the gas furnace. When the water pressure drops to a predetermined level, this switch opens, shutting off the flow of gas. When water pressure returns to normal, gas flows again.