Does the 70392 require a minimum pressure to operate

Engineered with a high-grade alumina ceramic insulator and a durable Kanthal flame rod

the valve remains in the closed position when there is no power

This sub-master air velocity controller features a universal design

" Touching the silicon carbide element leaves oils that create localized heat zones

Johnson Controls V-3766-1001 Valve THPU32HP7Y Does the 70392 require aThe Johnson Controls V 3766 1001 Valve is a rugged, 1 2" flare bronze 2 way valve engineered for precise flow control in HVAC terminal units such as fan coils, perimeter radiation, and reheat coils. As a Normally Open (N. O.) pneumatic valve, it utilizes a Push Down to Close (PDTC) action with a 3 6 psi spring range to maintain system regulation. This 1. 0 Cv rating globe valve is built with a 1 4" stainless steel stem, 5 16" stroke, and high quality