Conbraco 4A-004-10 Complete Internals 320788-702 What models does this expansion

What models does this expansion valve fit

testing the 100208485 relay for continuity and contact resistance is the standard procedure

3-speed hydronic component engineered specifically for high-efficiency heating systems

60 to 90 degree F Setpoint Range

Conbraco 4A-004-10 Complete Internals 320788-702 What models does this expansionThe Conbraco 4A 004 10 Complete Internals kit is a high grade OEM solution for servicing 3 4" Apollo 4A 200 Series Reduced Pressure Zone (RPZ) backflow preventers. This comprehensive RP complete internals package is engineered to restore the structural integrity of backflow prevention assemblies, ensuring continued protection against back siphonage and backpressure in critical potable water systems. The kit features modular check valve cartridges