While you can use a metal tank wall as a ground reference

ensuring consistent manifold pressure for reliable combustion

the power assembly includes the stainless steel diaphragm

Atmospheric Reliability: Designed to withstand the cycles of servo-operated solenoid valves in variable pressure applications

Thermal Resilience: Class F coil insulation allows for safe operation in higher ambient temperature zones

Danfoss 068F5213 Valve THPU32HP7Y While you can use aOptimize your refrigeration plant with the Danfoss 068F5213, a high precision AKV 10P3 electronic expansion valve engineered for demanding commercial cooling applications. This direct operated pulse valve is designed for the precise liquid injection required to maximize evaporator efficiency and improve overall system COP. Featuring 3 8 inch ODF inlet and 1 2 inch ODF outlet solder connections, this normally closed (NC) valve provides a tight solenoid