Designed with a 1/2 inch bore and a precision-cut 1/8" x 1/16" keyseat

It is not recommended for ammonia (R717) or flammable refrigerants

Key Benefits: Stainless Steel Capacitive Design: Utilizes a dead-ended capacitive sensing element for minimal thermal shift and high overpressure capability

Always verify the valve body model to ensure the sleeve diameter matches the MKC-2 internal diameter

Key Benefits: Universal Compatibility: Engineered to replace various older HK42FZ series boards without requiring field modifications to the cabinet

Schneider Electric (Barber Colman) MA-419-500 Actuator R-410A Designed with a 1/2 inchThe Schneider Electric Barber Colman MA 419 500 is an industrial grade, 240V two position actuator engineered for heavy duty damper and valve control. This spring return actuator provides 60 lb in of torque and is specifically designed to return equipment to its normal position immediately upon power interruption. As the direct replacement for the obsolete MA 419 191, this model now includes a weatherproof gasket as a standard feature, enhancing its