LENNOX 12W49 Corporation LOW FIRE PRESSURE SWITCH

"1.35""wc SPST Pressure Switch"

A pressure switch operates an electrical circuit when the air pressure from a compressed-air system falls below or rises above a certain preset value. A small switch, the 1.35""wc SPST Pressure Switch from Lennox is used to cut off power to a burner in a gas furnace when water condensation forms in the burner's combustion chamber. It also is used to initiate defrost cycles in a heat pump system.

RV and Marine flame sensor switch, 12W49, 1.35""wc SPST Pressure Switch, measures pressure required to ignite a small gas or propane burner.

The 1.35"WC Spst pressure switch. #2 copper piercing probe. Designed to provide automatic control of heating, ventilating, and air-conditioning systems. Suitable for use in hydronic or hot water systems requiring a 12W49 type pressure switch.

Designed for low pressure heating equipment, the LENNOX 12W49 low-fire pressure switch is easy to install into your central heating system. Featuring a solid-state design and SPST Pressure switch, it acts as an on/off relay and open/close contact.

Pressure switch is used for domestic water heater, gas water heater and boiler

This Pressure Switch has a metal body, glass bulb and an O-ring seal that offers reliable performance in a high pressure environment. Its low fire pressure switch rating of 6.5 psi maximizes energy efficiency as well as safety. The low fire pressure switch is designed to prevent nuisance switching, so you can have peace of mind when using this product in your HVAC system.

Low Fire Pressure Switches – SPDT, 120/240 VAC, Normally Closed