and the internal positioner components required to maintain a consistent 3/4-inch stroke

This general service valve is a staple for contractors requiring durable fluid control components that minimize pressure drop and ensure consistent shut-off cycles

The 2521300S is the primary cell assembly

The unit features built-in dual fuel control without requiring an external outdoor sensor

cleaning will not restore the signal

Johnson Controls VG7551PT Valve THPU32HP7Y and the internal positioner componentsJohnson Controls VG7551PT Valve, Globe, 2 Way Normally Open, 1 1 4", Union Angle, 18. 5 Cv Equal Percentage Flow Cast Bronze Body with Brass Trim, Standard Threaded Stem and Push Down To Close Action This item is not qualify for free shipping.