meaning it opens at 170

The 3-inch insertion depth is specified to ensure the sensor reaches the optimal point in the airflow path for accurate temperature sensing

always match the original manufacturer’s open and close temperature specifications exactly

Its surface-mount housing and durable construction make it a standard choice for furnace safety limit maintenance and HVAC rollout switch replacement tasks

leak-proof mechanical connection between the gas valve body and its corresponding pipe adapters or actuators

Conbraco 26-105-28 Gauge meaning it opens at 170The Conbraco 26 105 28 is a professional grade 1 2" Male NPT compression gauge cock designed for reliability in low pressure steam and liquid monitoring systems. Engineered with a polished brass body, this ball valve type 1 2 inch gauge cock provides a secure, leak free connection for industrial boiler sight glasses and instrumentation manifolds. Rated for a maximum working pressure of 125 PSI, it features a durable composite plastic wheel for smooth