As a direct replacement for Watts KSTEM-12

Reusing an old gasket is not recommended as it may cause exhaust or fuel leaks at the burner plate

making it identical to TRF2004 and TRF2004K

The Nor East Controls 30685491-001 Diaphragm is a precise 11-inch replacement component engineered for high-performance fluid control and pressure regulation

featuring updated circuitry for improved reliability over legacy versions

York 025-47116-006 Expansion Valve 324846-701 As a direct replacement forThe York 025 47116 006 Expansion Valve is a critical XV Electronic Expansion Valve designed for high precision refrigerant flow control in industrial and commercial HVAC systems. This genuine York OEM replacement part is engineered to interface with Johnson Controls and York chillers or large tonnage air handling units. By utilizing an electronic stepper motor rather than a traditional thermal bulb, the York 025 47116 006 provides superior superheat