The Rheem-Ruud 47-20545-91 Switch is a high-precision 5-inch fan and limit control designed for critical thermal management in forced-air furnaces

This manual reset SPDT pressure switch features an adjustable set point range of 1-6" W

the 35-70 series is not position-sensitive and can be mounted vertically or horizontally

The rugged design meets UL and CE mark standards

It is designed to be secured directly to the pipe surface using the included metal strap

Johnson Controls P70EA-9 Pressure Control Refrigerant The Rheem-Ruud 47-20545-91 Switch isJohnson Controls P70EA 9 Pressure Control, SPDT, 20" to 100 Psi, For use with Ammonia