Honeywell 312817 Actuator Cover the CD3603 is engineered for

the CD3603 is engineered for the high-pressure environments typical of modern air conditioning and refrigeration

single throw (SPST) mechanism provides immediate response to over-limit conditions

the sensor is likely the culprit

Common Questions Can the 31J91 be used for natural gas applications

Key Benefits OEM Precision: Guaranteed direct fit for Rheem and Ruud high-efficiency furnaces

Honeywell 312817 Actuator Cover the CD3603 is engineered forMaintain the structural integrity of your pneumatic systems with the Honeywell 312817 Actuator Cover. Specifically engineered as a replacement component for 5 inch MP953C Series pneumatic actuators, this high grade plastic housing provides a precise fit to shield internal moving parts from environmental debris and mechanical impact. In industrial and commercial HVAC applications, protecting the internal diaphragm and spring assembly is essential for