the White-Rodgers 90-341 is a functional equivalent and a common cross reference for the R4222D1013

Can this extension be used for retrofit applications

meaning it will re-engage the circuit once the system pressure stabilizes at the 300 PSI close threshold

You can always use a capacitor with a higher voltage rating than the original

and ecocirc 20-18 models

Cleveland Controls AFS-271 Switch the White-Rodgers 90-341 is aThe Cleveland Controls AFS 271 is a professional grade air pressure sensing switch designed for critical proving switch applications in HVAC and energy management systems. This adjustable air flow switch offers a precise set point range of 0. 05" to 2. 0" w. c., making it an essential component for monitoring positive, negative, or differential pressure in commercial burners and furnaces. Engineered with a durable plated housing and a silicone