Johnson Controls A-4000-120 Oil Indicator Els PW 17895 This thermostatic expansion valve features

This thermostatic expansion valve features a 3/8" x 1/2" flare connection and an integrated 09 orifice

it is precision-engineered for Carrier

if your unit is failing to ignite the main burner or the pilot flame is weak/non-existent

000V secondary ratings match your system requirements

Is this switch compatible with mobile home furnaces

Johnson Controls A-4000-120 Oil Indicator Els PW 17895 This thermostatic expansion valve featuresThe Johnson Controls A 4000 120 is a precision oil indicator with needle valve assembly designed for critical diagnostics in pneumatic control systems. Engineered to detect aerosol mist levels of oil entrainment, this instrument ensures that compressed air remains within the strict purity standards required to prevent fouling of downstream pressure reducing valves and sensitive pneumatic components. With a high level of sensitivity, the device can