[Healeys] Heater valve

Perry Small healeyguy at aol.com
Sat Sep 26 16:19:45 MDT 2020


Inlet and outlet on the valve is 3/8 inch diameter. Stopper activated by the cable is 1/2 inch diameter. Pocket that it sits in is 5/8 diameter and has three standoffs to center the stopper in the hole. The stopper can move only 1/4 in and out so it stays in the pocket. The available space for water flow is 0.39 inches compared to 0.44 inches for the 3/8 inch internal diameter tubes on the valve. That is about a 25% reduction in flow assuming no pressure change. 
Not sure what the recommendation is
to improve this situation using the existing parts but chime in if you have  the answer. 
PS The patient may have survived the operation.....to live on in another AH. 
P 

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