How do I prevent users from setting the heat too high

the 42W31 is the official successor to part number 42W3101

while 0 Ohms indicates a short

Can this replace other 170-degree limit switches

Will this tool remove surface oxidation from the coils

Johnson Controls VG7241RT+823E00 Valve Assembly Els PW 17895 How do I prevent usersThe Johnson Controls VG7241RT+823E00 is a heavy duty 1 1 2 inch NPT pneumatic globe valve assembly engineered for precise modulating control in commercial HVACR systems. This 2 way normally open valve features a robust cast bronze body with brass trim, providing durable service for chilled or hot water and steam applications. With a 28. 9 Cv rating and an equal percentage flow characteristic, it ensures stable linear control even under varying