Pool Boiler w/ Shell & Tube HX's (job pics)

Paul Rohrs

and Matt J did an outstanding job.

We used a Peerless Pinnacle PI-399 nat gas boiler and primary/secondary piping. The B&G 611S is on the return pumping into the boiler. There are two water-to-water shell & tube HX's, one for the pool and one for an inground spa.

Long story short, the original pool guy had some Cat III boilers that the AL29 stainless was a ton of money, even before installation. We were asked to come up with a package with a condensing boiler so venting would not be an issue.

Matt J custom built some stands out of 1-5/8 unistrut. He used some "Post Bases" and 8" strut clamps for the larger pool HX. He used some 45's angle brackets to make the stand for the smaller spa HX. He utilized the space well so that he could use the strut as a brace for the 611s, and used it for the double-check and prv for makeup.

Matt core drilled 7" through to a "chase" that we were then able to take up to the roof. The pool guy supplied everything else for the system pumps, but we had PVC SCH80 true union ballvalves to build a bypass loop not all of the pool water goes to the HX. It is a brass tube HX with a Cupro-Nickel tube bundle to withstand the chlorinated pool water.

I will say that I am sold on the propress. The first fittings off of the boiler (pic 2744) is a 2"FIP with integral union. It really helped us utilize space well. I also like the propress x FIP 90 that we run a 3/4 boiler drain on. Simple for filling.

Kudo's again to Matt. He drilled into the ceiling, tapped an anchor, then used a come-along to hoist the 260lbs pool HX up onto the stand. He did this job by himself. Not only is he a craftsman, but he is very resourceful as well.

The Mupro hangers are a plus also.

I just received in some Hoffman #62 vacuum breakers for each of the shell & tube HX's, but it will have to wait another day.

Regards,

PR


Biggerstaffradiantsolutions.com

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B&G country!

nice work, B&G should use this in some ads!

Nice touch with the arrows so the water knows which way to turn

hot rod

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Constantin

Looks great!

The whole install looks like it is just about ready for a magazine shoot. Here, everything is labeled so well, that a system diagram isn't really necessary.

Between the beautiful stands, the brackets, and the Propress work, your install is a veritable candy-store of great technique. Not a single solder-snot in sight, only full-port valves, i.e. the works! The pressure/temperature gauge is yet another fine level of attention to detail. Congrats!

PS: How are you monitoring for leaks? Are there zincs to protect the Cupro-Nickel HX or is it resistant enough on its own? A simple pressure-transducer or water counter could alert you to when the HXs give up their ghost.