Reznor 110656 Relay Els PW 17895 The Johnson Controls A-4000-1037 is

The Johnson Controls A-4000-1037 is a critical inline oil removal filter designed specifically for pneumatic control systems where air purity is paramount

you can safely upgrade to a higher FLA rating (40A) as long as the coil voltage (208/240V) and the number of poles (3-pole) match the original specifications

Common Questions How do you adjust the set point on the 3F05-2

and LP gas-air mixtures in both main burner and pilot load setups

ensuring zero-clearance fit and proper electrical alignment

Reznor 110656 Relay Els PW 17895 The Johnson Controls A-4000-1037 isThe Reznor 110656 Relay is a specialized 24V switching component designed for high demand commercial and industrial HVAC applications. As a Single Pole Double Throw (SPDT) relay, it provides precise control over blower motors and fan circuits by toggling between normally open (NO) and normally closed (NC) contacts. This genuine OEM Reznor part is engineered to withstand the rigorous duty cycles typical of unit heaters and air handlers, ensuring