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Posted by Dave on December 02, 2005 at 10:05:56:
In Reply to: Re: Change in my repiping/buffer tank schedule posted by Heatpro on December 02, 2005 at 09:38:20:
Just to be 100% sure, we need no checkvalves beyond what we currently have? We will only have an IFC in 0010 pump and check valves just beyond each individual zone pump. Currently, there are no check valves on return piping at all.
I assume my existing Potter Flowswitch would go in the outflow pipe from the boiler to the buffer tank? Its function is to shut off the furnace when there is no flow.
We have NoBurst 100 in our system in a 50/50 mixture as 2 of our air handlers are in unheated spaces. Do you recommend replacing it every 3 years or so? I believe it is very expensive and would involve a total of 50 gallons every few years.
Our Phase III is the last zone on the supply header. Since it only has about 8 gallons of boiler water circulating around it, will we notice a significant difference in hot water recovery at the lower end of the buffer tank temp (150)? we have the DHW temp set to 130 on the Phase III.
The Lochinvar storage tank has a baffle in the boiler inlet to cause the water to mix better. Will that cause a significant decrease in flow in the boiler loop? I am just afraid of having a low flow situation with that boiler.
Again, thank you so much for all your expertise. I finally feel it will solve all our issues.
Have a great weekend, and I will update you when it's all redone.
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