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RobG

RobG

Joined on June 4, 2011

Last Post on August 30, 2014

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Sounds Good

@ July 12, 2014 3:31 PM in Time for an upgrade/retrofit

It sounds like you found a good contractor. He did a heat loss and gave you options. If you feel comfortable with him you should probably stick with him. I know winters up there are harsh and for that reason a modcon will take quite some time to pay for itself without adding additional radiation. If he is going to pipe it P/S and utilize outdoor air reset you should be fine. Just make sure that the boiler does not get over-sized (heat losses are notorious for being on the high side) If you could post the heat loss he provided we can see if there is anything glaringly wrong.

Rob

USA Only

@ July 12, 2014 11:46 AM in Suggestions for new forum

Dan, I know that we have people posting from Canada, New Zealand, Germany etc...... How do they manage that?

Rob

When?

@ July 12, 2014 9:30 AM in Suggestions for new forum

When is the new format expected to debut? Will we just log in one day an it will be all new? Will we have to re-register?

Rob

James

@ July 12, 2014 8:31 AM in Radiant cooling

Can you start a new thread on your system when it's complete and let us know how it works out? Pics would be great as well.

Thanks,
Rob

Problem

@ July 12, 2014 8:22 AM in Suggestions for new forum

The only things that bother me currently is that I get timed out and have log in over and over. Then when I do log in again posts that I have already seen show up as new. And while I am posting in a thread I cannot expand the photos without losing all that I have written.That's all.


Rob

Yeah

@ July 12, 2014 8:00 AM in Anyone else getting unwanted calls from Angie's List?

It makes you want to unlist your number, but you can't do that as a business. It makes you want to pull your hair out. Angie's list is as bad as the Better Business Bureau. I used to assume that it was only the subscibers that had to pay. I guess everyone has to. Don't want em, don't need em!

Rob

Sorry

@ July 11, 2014 1:58 PM in Mod/con poll. Installers only.

Sorry that your last post on the subject got a little off topic. I would go with option 3, envelope upgrades are as important as an efficient boiler. Once the envelope is tightened the boiler can operate at a lower temp utilizing the efficiency. Always give options, that keeps you in line with all the other guys and sets you apart. I would try and stick to the fire-tube heat exchangers for mod-cons. They are tried and true and give great flow rates.

JMHO,

Rob

Snarky

@ July 11, 2014 10:40 AM in Bonding CSST:

Are you being snarky? You just agreed with me.

Not on the CO

@ July 11, 2014 10:35 AM in CO deaths because someone cut off the exhaust:

Not on the CO issue but about leaving it cleaner than you found it. I agree 99.9% of the time, but I'm sure that you have worked in a hoarders house. Sometimes your own cleanliness and health outweigh the customers needs. When I worked for my first PHVAC company I was sent out to clean a drain in a home in an affluent neighborhood in Falls Church, Va. I had to thread my way through stacks of newspapers to get to the basement stairs, I then found the basement with about a foot of water because the kitchen sink had been backing up into and out of the laundry tub in the basement for god knows how long. I told the elderly lady that I had to get some things out of my truck. As soon as I got to my truck I took off! My boss, (the owner of the company) fired me and went out to fix it himself. needless to say I was rehired the next day and the elderly woman had to find another company, my boss wouldn't do it either. That's the .01% that you leave it like you found it. 

Moral of the story: If you can't leave it cleaner, just leave it.

Problem

@ July 11, 2014 10:05 AM in Bonding CSST:

One thing that always irks me is when I find a bonded line that does not go to ground but to the gas or water line. In these days of plastic water and gas piping there are still people that stick to the old ways. No Bueno! 

Dude

@ July 11, 2014 9:06 AM in Getting into mod/con business

Dude, you really need to chill out. I am just stating my opinion. You can do what you want to do but you cannot choose the consequences (someone on here uses something like that as there tag line). All that I am saying is that what you are trying to do has been done before, it even makes sense in some applications. I personally don't think that it fits your scenario. But opinions are like you know what. Do what you want.

Rob

Back fill

@ July 11, 2014 8:34 AM in Radiant cooling

Did they really back fill a 250 acre lake? That doesn't sound like much of a nature preserve :)
 How deep and how long is the loop and what kind of tubing and size?

Rob

My neck

@ July 11, 2014 4:48 AM in Did my plumber "F" up my system?

In my neck of the woods one inspector does it all framing, plumbing, gas,electric, hvac. If it don't leak or spark, it's fine with him. (a  couple of Redskins tickets a season never hurt either). We HAVE to do it right BECAUSE there is no one qualified to inspect the work.

Turn it on, see if it works. If it doesn't, take it up with the GC. If it were me, at a minimum I would want it piped in iron so as to prevent any future leaks due to expansion / contraction.

Rob

Kudos

@ July 11, 2014 4:16 AM in Icesailor are you there?

Kudos to Burnham for stepping up to the plate for our veterans. I wish I were closer to give you a hand John.

On the water service side, find a vet in the department who is sympathetic / patriotic. It's a shame, but sometimes it's worth playing on peoples emotions to do good. Anything to help. 

Rob

Actually

@ July 11, 2014 3:19 AM in Getting into mod/con business

Actually, your GPVX was designed to replace the woefully poor Apollo water heater design. They were used in cheap condos and small houses to operate with an air handler. I have replaced a ton of them. They are not made to last, they are made to satisfy the warranty period. Period! If you were to post the costs of all the parts and pieces of the scabbed together system, I can assure you that a Navian CH-180 will be less expensive or at least even. The biggest cost savings is in the labor needed for installation. I am just using the Navian as the least expensive combi that I know of as an example, for a few dollars more you can improve from there. Are you doing the installation yourself?

As to the "critical error" you told me I had made in a previous post, the water heater WILL scale up quickly due to the fact that it will be running MUCH more WITHOUT make up water, the dip tube in a water heater flushes the bottom (a bit) as you use hot water. The scale will bake on the bottom of the tank, not to mention the flue gas condensation eroding it from within. I just find it hard to believe that a mechanical engineer would do this. (actually, now that I think about it, I'm not surprised)

As well, you are not doing the same thing as Hot Rod is, you are doing the complete opposite. His boiler is a closed loop and his domestic goes through the flat plate. If he did it in the manor you are the heat exchanger would foul up quicker than you could whistle Dixie.

Rob

Right

@ July 10, 2014 3:56 PM in Getting into mod/con business

Once again BC, you are right. Nobody has ever thought about using a water heater as a heat source before. You should patent your idea! You will show us! You will have the last laugh! Dr. Frankenstein would be proud.

Humbly,
Rob

Wow

@ July 10, 2014 1:47 PM in Can I add hydronic furnace to steam system with IWH?

Jamie that last sentence was a real tongue twister. Can you say that three times in a row quickly.  :)

Rob

Geo Loop

@ July 10, 2014 1:39 PM in Radiant cooling

The only way to find out is to pump water through it and see. I would use a 50 gallon drum and circulate the water to see what temp you can maintain. There is no point in going further until you know what you are working with. They could have damaged the loop when filling in the pond. (and pressure test as well).

Rob

One other thing

@ July 10, 2014 1:31 PM in Icesailor are you there?

One other thing to check is the shower heads themselves, are they low flow? Three showers at once is a hell of allot of volume to be putting out of a 3/4" pipe. I hope they have one hell of a water heater too. Check out the usual suspects as Ice and Steamhead have said but know that it could just be that they are overtaxing the system.

Also, if there are any existing galvanized pipes they do tend to block up with rust and crud.

Good Luck and take care of our Vets,
Rob

NRTRob

@ July 10, 2014 1:02 PM in New Radiant System

I was wondering why he stopped posting, any idea where he is or what he is doing?

Price

@ July 10, 2014 12:33 PM in Getting into mod/con business

Obviously you are shopping for price. What people are saying is that once you start adding all of the components together, you will end up with a Frankenstein of a system that costs more to assemble than a Navian CH-180 that is actually designed to do domestic and space heating, carries the H stamp, has built in controls for outdoor air reset and DHW priority and will take up less space, satisfy your homeowners insurance requirments and be easier to install. Oh and don't forget the AFUE is higher than your water heater. 

Tubing

@ July 9, 2014 2:50 PM in Pipe connections to Condenser - Best Practices?

And I would lay money on the fact that he reamed the tubing as well. The only thing I can see is that he could have used one less ninety but the would make access to the service valve difficult.
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