Standard 1/2" NPT valves like this are rated for a maximum inlet pressure of 1/2 PSI (14" WC)

preventing premature stem wear or air leaks caused by misalignment

5mm actuator size and high-grade Class H insulation

this is a dedicated R-410A expansion valve and should only be used with systems utilizing high-pressure R-410A refrigerant

the 14506635-001 features a rigid design to prevent torsion

Lochinvar & A.O. Smith 100187869 Gasket THPU32HP7Y Standard 1/2" NPT valves likeThe Lochinvar & A. O. Smith 100187869 Gasket is a critical OEM replacement part designed to ensure a high temperature seal between the burner plate and the combustion chamber. In the field, an interface failure at the burner plate gasket can lead to dangerous gas leakage, compromised combustion cycles, and reduced thermal efficiency. This genuine 100187869 burner gasket is engineered to withstand the intense thermal cycling and pressure typical of