Sep 1, Dan Holohan: Heating Help · Kenny Chapman: Blue Collar Coach · Adams Hudson: Marketing Strategies The boiler is not what we need to pump away from. It follows that the circulator should “pump away” from this point. What Hydronics Taught Holohan: A Memoir of Life in the Heating Industry. Nov 6, The Paperback of the Pumping Away and Other Really Cool Piping Options for Hydronic Systems by Dan Holohan at Barnes & Noble. Buy a cheap copy of Pumping Away and other really cool book by Dan Holohan . So begins Pumping Away, a book I wrote to describe the workings of hydronic.

Author: Daitilar Saramar
Country: Benin
Language: English (Spanish)
Genre: Finance
Published (Last): 28 February 2008
Pages: 94
PDF File Size: 17.67 Mb
ePub File Size: 4.58 Mb
ISBN: 869-9-92836-593-3
Downloads: 24433
Price: Free* [*Free Regsitration Required]
Uploader: Gomi

There’s a lot in it for pumping away dan holohan. I only tell you these things because they’re true. I wrote this book to describe the beautiful workings of hydronic heating systems and I tried to use words that made the subject spring to life in a visual way. You may even be willing to break a few old habits – if it’s to your advantage, I mean. Henry on your side now.

It will save you time and money. That’s one of the best things about this piping arrangement.

It usually takes me over an hour to get rid of the air, and that’s what I thought holkhan happen here, but I was willing to give it a shot because I figured you had nothing to gain by lying to me. Then, open one pumping away dan holohan at a time. When you start the system, the pumps will add their differential pressure to the system’s static fill pressure and move whatever air comes out of the heated pumping away dan holohan daj to the air separator.

Catalog Record: Pumping away : and other really cool piping | Hathi Trust Digital Library

Even if you’ve never worked with hydronics before, you’ll pumping away dan holohan able to follow these drawings. Bring your feed valve into the line connecting the diaphragm tank to the system piping. That’s going to be the purge valve for your system. Toggle navigation Answers in minutes. And that’s why I’d like you to give this piping arrangement some consideration. You leave awaay boiler with a pumping away dan holohan supply main and enter a awaay.


I wish I could take credit but the genius was Gil Carlson’s. Hllohan kept the drawings simple. My library Help Advanced Book Search. Since you’ve read this far, I figure you must be pretty open-minded. One guy took me up on this challenge a few years ago.

In most cases, you’ll find you don’t have to go upstairs to bleed the radiators. The water will also fill the boiler.

If you’re using a scoop- or orifice-type air hllohan, you’ll need to allow 18 inches of straight, full-size horizontal pipe at the inlet to the air separator.

Okay, next we have the compression tank. Systems Help Center Search Search. Now, come off the side of the tee, keeping the pipe full size as you go, and install either a ball valve or a gate valve. Okay, next come your circulators. You’ll be using the feed valve, the main service valve and the tee-mounted boiler drain pumping away dan holohan power purge the air from the system. You only need one purge valve. I wouldn’t want you to do it for any other reason.

They need it to get the maximum efficiency out of holohsn units. If you’re using a microbubble reabsorber-type pumping away dan holohan air separator, you won’t need this approach piping; you can install this type of air separator right next to the ball or gate valve.

You need that one main shut-off valve to get everything going in the same direction. Want to read more? Your air separator comes next. It’s been one of my best-selling books for years. I’ll show you how to use a plain-steel tank in a minute. In this example, I’m using a diaphragm-type tank. The first part deals with boiler-room piping and explains how you can pumping away dan holohan the discoveries of the late, pumping away dan holohan Gil Carlson to work for you.


I just figured you might be full pumping away dan holohan bull so I might as well get ready. After each circulator, you’ll pipe in a flow-control valve to prevent gravity circulation and short-circuiting, and then a ball or gate valve for service zway the initial power purge. You’ll attach it to, or very near the air separator.

Even if you’ve never worked with hydronics before, you’ll be able You’ll be doing it all from the basement – even on diverter-tee systems! That’s the point of no pressure change, pumping away dan holohan only awat in the system where the pump can’t affect the feed valve.

Systems Help Center

The water will flow through the first zone, pushing air pumping away dan holohan of itself. Other editions – View all Pumping Away: There’s gotta be something in it for you.

Next, open the feed valve and the tee-mounted boiler drain. When the water runs air-free, close that zone’s service valve and open the next zone’s service valve.

You only need that one power purge valve, and you won’t wind up with that big bubble in the boiler. In either case, you’ll get rid of your initial air by closing the pumping away dan holohan service valve and the zone service valves. If you have a dozen zones, do this a dozen times. Sign up for weekly tips from Dan Holohan, industry news, and exclusive discounts.