The McDonnell & Miller 313200 Strainer Gasket (Model 37-39) is a precision-cut 4-hole sealing component designed specifically for McDonnell & Miller 47 Series

ensuring seamless integration with standard service valves and pressure switches

Factory Calibrated: Set at -0

it facilitates rapid retrofits where legacy pneumatic or electronic controls are being upgraded to modern digital interfaces

Is this vent suitable for steam systems

Johnson Controls D-3062-100 Mounting Kit Els PW 17895 The McDonnell & Miller 313200Johnson Controls D 3062 100 Universal Mounting Kit for Type W (Normally Open or Closed) and Type F (Normally Closed) mounting to either inside or outside of the duct with a D 1300 Series Damper