the entire handle or valve assembly must be replaced after the system is cleared for service

reducing overall HVAC energy consumption

and process heating systems• Designed for reliable cycling in continuous-duty operation• Common OEM replacement for steam control circuits

Always verify compatibility by checking your unit's model and serial number against the parts list to confirm it matches the original distributor configuration

this specific part number includes the gaskets required for a standard core replacement in a compatible shell

Johnson Controls T-4002-304 Conversion Kit 326058-757 the entire handle or valveFor facility managers and maintenance contractors overseeing legacy pneumatic systems, the Johnson Controls T 4002 304 Conversion Kit provides a dependable solution for two pipe thermostat replacement. Designed for reverse acting (RA) operation, this kit is specifically engineered to replace non Johnson Controls instruments, integrating a single temperature controller with a 55 85F (13 29C) dial range. The T 4002 unit utilizes a high sensitivity