Lochinvar & A.O. Smith 100166238 1-20" M/R Gas Pressure Switch

The Lochinvar and A.O. Smith 100166238 82” Gas Pressure Switch M/R is a safety component used in gas-fired boilers and furnaces in HVAC system. This pressure switch monitors the pressure of gas within the system to enable confirming that the system runs smoothly and without incident. It has a manual reset mechanism with pressure range of 1 to 20”. The pressure switch will shut off the boiler or furnace by putting a safety lockout if it senses that the gas pressure is high or low. This safety measures makes your heating equipment dependable and durable and at the same time protects you from possible dangers.