I am adding 500 more gallons of storage to my system was wondering who has had success with building thier own.I currently have one amtrol sx-90v but would not mind saveing the cash .Thanks Dave
bernard said:That looks easy enough how much water do you put in and how much oil will you add. Will you take out the air valve to add oil? how much air pressure. Thanks Dave
goosegunner said:There are a few benefits from what I gather.
The primary one for me is that my boiler and storage is 130' from my garage where I have a primary/secondary manifold. From there it is another 45-50' to my furnace and water heater. My manifold in the garage uses circulators controlled on demand by a Taco zone controller. If I put the buffer tank in my basement the system would maintain hot water in the buffer tank within feet of my furnace. That way I would not have the 2-3 minutes of furnace fan running with mild temp water.
I do not have my DHW hooked up yet and I do not think it would work very well with the current configuration. With a buffer tank it will always have hot water to immediately heat DHW instead of waiting for the lines to purge the cool to warm water. This would be more of a problem in warmer weather as circulation of water diminishes due to low demand.
Before storage I ran the Primary pump in the manifold continuously so Hot water was always right there. With storage that would just mix the tank because I would be returning hot water to the bottom of the tank when there is no call from the load.
Lastly, You can deplete the btu's in the buffer tank before returning to storage. That way you do not mix storage as much with water returning to storage that is much warmer than the bottom of the tank.
Ideally storage would be in my basement. I did not do it that way for 2 reasons.
1. I heat my pool in the summer and I see little point in having a 1000 gallon heated tank in my basement when I am running my air conditioner.
2.Lack of room in a finished basement.
gg
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