Buderus G234 & Wilo Stratos

Darin Cook_5

This is a in-progress job at my Air National Guard base. The building originally had a B&G three piece 1/2 hp circulator. I believe it was rated at 25gpm @ 22 feet of head. The problems began as the building became more and more zoned off. The circulator was powerful enough to start pushing through zone valves and overheating many areas of the building. The circulator control- wise was turned on in the fall and shut-off in the spring manually. It turned at full power 24-7. Every year the bearing assembly was being rebuilt. I figure with just the decreased cost of maintenance the Wilo Stratos should pay for itself in just a few years not even counting the tremendous decrease in electrical consumption. The previous circs were three phase. I just disconnected one leg of the phases to power up the Wilo. I also programmed it to run at 18 ft max head. No problems or complaints thus far. I may try tweaking it some more. The Wilo is a very nice product. If you have a multi-zone commercial building and would like to take a big bite out of your electric bill, this is the circulator to use.

The original boiler plant was a Hydrotherm modular set-up. I repiped the new boilers to a pri/sec configuration so that the building circ is not pumping through the boilers. The Buderus G234's are controlled by a Logamatic 2107. That control should also save a pretty penny on fuel cost. The Air Guard's budget did not allow them to go for a couple of mod-cons. Too bad. I have installed other Buderus boilers on the base. They have been extremely happy with the product. Just trying to do my part to make the base more "green" and energy friendly. Kudos to Buderus and JR Baker Associates for their excellent support!!








Darin

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Bruce M

AWESOME!


I remember those old boilers.

Looks great bud!

A pressure relief valve should NEVER be used as a pressure differential by-pass. HAHAHA!

Thanks for choosing Wilo!

Mark H

Tom Kane

Buderus and Wilo

Excellent work Darin, thanks again for your support and a great choice of equipment for your guard base, I'm sure they'll see the return on their investment. Looking forward to doing more of the same,(and different(ECO)) in the future. We'll keep Rick in our thoughts and prayers as well.......Thanks Tom

Bruce M

ECO


3 to 4 weeks.

Mark H