Dual-Function Technology: Acts as both direct spark ignitor and flame sensing rod to ensure safe furnace sequences

System Efficiency: Restores peak thermal efficiency and prevents excessive carbon monoxide production common with improvised conversions

and Intertherm furnace burner manifolds

and modern high-pressure refrigerants including R-410A

Johnson Controls C-2220-11 Pressure Selector Els PW 17895 Dual-Function Technology: Acts as bothThe Johnson Controls C 2220 11 is a high performance pneumatic high low pressure selector designed for secondary control in multi zone HVACR systems. Functioning as a master module for low volume input, this unit effectively samples pressure signals from various pneumatic thermostats and controllers. It is engineered to select and transmit both the highest and lowest control pressure signals within a group, ensuring that heating and cooling equipment