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Author Topic: ball valve  (Read 1605 times)

d conover

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ball valve
« on: September 28, 2012, 08:08:10 AM »
Where do you normally put ball valves on a H4? 
I will have three at the water heater in the mechanical room to route the water thru the boiler before it goes into the water heater.

What about at the boiler?  Should I put a valve on the heat exchanger lines?  I have 1 inch lines to the exchanger but the connections at the boiler are 3/4" 
A 3/4 ball valve is a lot cheaper than a 1"but if it needs to be 1" I will use it.

Doesn't 3/4" fittings defeat the purpose of having 1" lines?



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RSI

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Re: ball valve
« Reply #1 on: September 28, 2012, 04:43:10 PM »
It won't make a lot of difference using a 3/4" valve. You can get 1" pex crimp fittings with 3/4" threads and they are straight through same size.
Small diameter for a short length doesn't make much restriction compared to a long small pipe.
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