Author Topic: Anybody familar with Gas Boilers?  (Read 986 times)

Offline Drano

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Re: Anybody familar with Gas Boilers?
« Reply #30 on: October 22, 2013, 08:45:55 PM »
The pump is packaged alone. The box has a little slot cut into it so the guy at the supply house can pop a set of flanges in there. The bolt pattern will be the same. Only diff would be what size pipe they need to be. They won't be expensive so it wouldn't be a bad idea to include them in case the flanges on your system are damaged/corroded beyond a quick cleaning with a scrubby pad. If that's the case you can just swap them out. Hard to do if you don't have them to swap.
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Offline Traveler

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Re: Anybody familar with Gas Boilers?
« Reply #31 on: October 22, 2013, 10:20:55 PM »
Doesn't the pump contain an impeller , and if the impeller is needs to be replaced that might make the pump sound funny??????
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Offline morfiend

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Re: Anybody familar with Gas Boilers?
« Reply #32 on: October 23, 2013, 11:26:54 AM »
I just found the pump online Bell and Gossett NRF-22 for $100. They quoted us $320 for the pump and $150 for the labor!, Am I missing something here?

Do I need parts like gaskets and stuff that aren't included in the websites online?

  Actually that sounds about right,my buddy is in the business and I asked him about your boiler and he told me if it was just the pump it would be a 400$$ plus job!

  Their markup on the pump is abit too much,if you can get it for 100 bucks it should be a 200 to 250 price range,someone has to pay for those fancy work trucks.... :devil

  150 dollars is about standard for a 1 hour service call,my buddy charges me about 75 bucks to drop by for a beer,oh and he might check my system while he's here.... :devil

 Nef, do yourself a favour,get the flanges and gaskets and just replace it all!  shouldn't take more than 20 mins to R and R the pump. Spray some WD40 or other rust remover before you try to loosen the bolts and as someone already said disco the power!

  If you know someone who knows anything about bolers,have them check the flame! The manifold has a air/fuel mixture adjuster and tuning the flame can make a huge difference on your heating cost!

   Oh and I called my buddy to do a tuneup on my system,that when I asked about your boiler!



   YMMV.


     :salute

Offline Bizman

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Re: Anybody familar with Gas Boilers?
« Reply #33 on: October 23, 2013, 12:02:09 PM »
Sounds like a buddy like morfiend's one would be the most cost effective solution for Nefarious...

There's a saying that a one dollar cobbler can make damage worth a hundred. DIY is fine for those who can. The rest of us have to pay.

Offline Nefarious

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Re: Anybody familar with Gas Boilers?
« Reply #34 on: October 23, 2013, 12:03:50 PM »
Sounds like a buddy like morfiend's one would be the most cost effective solution for Nefarious...

There's a saying that a one dollar cobbler can make damage worth a hundred. DIY is fine for those who can. The rest of us have to pay.

Yep, it's why I don't have heat right now... and it just started snowing here... lol
There must also be a flyable computer available for Nefarious to do FSO. So he doesn't keep talking about it for eight and a half hours on Friday night!

Offline morfiend

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Re: Anybody familar with Gas Boilers?
« Reply #35 on: October 23, 2013, 12:24:47 PM »
Sounds like a buddy like morfiend's one would be the most cost effective solution for Nefarious...

There's a saying that a one dollar cobbler can make damage worth a hundred. DIY is fine for those who can. The rest of us have to pay.

   :rofl :rofl :rofl   First thing he asked was"does this guy live in town?"   I bet he had dollar signs in his eyes as he said it.... :O

 Nef, if you do the job yourself or have a buddy do it,get some pipe dope to help seal the copper to brass or brass to brass fittings!  Never use it on the gas or oil lines,teflon tape is to be used on those pipes and I suppose it will work on the water line but I like the pipe dope..... :devil  to seal the connectors....



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Offline Dragon

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Re: Anybody familar with Gas Boilers?
« Reply #36 on: October 23, 2013, 01:00:43 PM »
Teflon on gas lines is against code in most places now because it sucks, or the person applying it sucks, pick one.  In this case, with flanges and gaskets, no dope is needed nor desired since it may actually cause it to leak.


For the love of the God of All, please get someone to replace those ugly and highly illegal Romex power lines dangling haphazardly. Does that yellow one come all the way down from the ceiling?  Bloody hell!
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Offline Rob52240

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Re: Anybody familar with Gas Boilers?
« Reply #37 on: October 23, 2013, 01:07:19 PM »
Your description leads me to believe its cavitating and probably needs to be replaced.  Don't forget to add glycol to your loop.

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Offline morfiend

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Re: Anybody familar with Gas Boilers?
« Reply #38 on: October 23, 2013, 04:17:27 PM »
Teflon on gas lines is against code in most places now because it sucks, or the person applying it sucks, pick one.  In this case, with flanges and gaskets, no dope is needed nor desired since it may actually cause it to leak.


For the love of the God of All, please get someone to replace those ugly and highly illegal Romex power lines dangling haphazardly. Does that yellow one come all the way down from the ceiling?  Bloody hell!


  This I didn't know,been outta the workforce for too long I guess! That's the first I've heard about the Ttape.

   Looking closer at the pix I see infact that you can remove the pump without touching anything else! :aok I thought the copper flange was the top flange and that bit of pipe might of had to been disconnected.Looks like you simply need to loose those 2 bolts and nuts and the pump will slide right out.

   BTW,I'm up in Canada and our codes would be somewhat different.


   :salute

Offline Drano

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Re: Anybody familar with Gas Boilers?
« Reply #39 on: October 23, 2013, 05:13:41 PM »
Teflon on gas lines is against code in most places now because it sucks, or the person applying it sucks, pick one.  In this case, with flanges and gaskets, no dope is needed nor desired since it may actually cause it to leak.


For the love of the God of All, please get someone to replace those ugly and highly illegal Romex power lines dangling haphazardly. Does that yellow one come all the way down from the ceiling?  Bloody hell!

It's against code because additives in the gas will actually break it down and that causes a leak down the road.

Don't use dope on the gaskets as they are neoprene and using a dope that is petroleum based and/or has solvents in it will destroy the gaskets. If anything a light coating of silicone grease is about all you'd even think about using but if you didn't have it it's perfectly fine to do without.
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Offline Drano

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Re: Anybody familar with Gas Boilers?
« Reply #40 on: October 23, 2013, 05:20:53 PM »

 
   Looks like you simply need to loose those 2 bolts and nuts and the pump will slide right out.

 

You have it exactly right. As I said above, two pairs of nuts and bolts, above and below and that's all there is to it. Just watch that you haven't pinched the gaskets when you put it back in, but they sit in a recess on the pump that'll capture them. They look like a bigger washer than you might find on a sink trap.Tighten evenly. Bazinga!
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Offline morfiend

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Re: Anybody familar with Gas Boilers?
« Reply #41 on: October 23, 2013, 08:05:58 PM »
You have it exactly right. As I said above, two pairs of nuts and bolts, above and below and that's all there is to it. Just watch that you haven't pinched the gaskets when you put it back in, but they sit in a recess on the pump that'll capture them. They look like a bigger washer than you might find on a sink trap.Tighten evenly. Bazinga!

 At first I thought the flanges were the copper ones,so I assumed they would have to be removed!  And after some thought I recall I got it backwards,dope on the gas pipe,Ttape on water lines....Doh...   Like I said been away from it too long!



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Offline homersipes

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Re: Anybody familar with Gas Boilers?
« Reply #42 on: October 23, 2013, 08:26:14 PM »
we use teff tape and dope on stainless steel and copper water fittings and just dope on brass fittings :aok

Offline j500ss

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Re: Anybody familar with Gas Boilers?
« Reply #43 on: October 23, 2013, 09:04:44 PM »
Well I don't know squat about boilers, well I do actually but not enough to be giving advice that's for sure.   Teflon tape I do know a few things about.

Years ago I heard an interesting story, can't actually prove it.  But given what I know about sealants and flanges and threaded connections I can believe it.

Listening to a presentation from a Henkel rep, he explained that the DuPont company strictly forbid the use of teflon tape for any use within the company manufacturing plants .  They do in fact allow the use of teflon based pastes and so called pipe dope.   Given the reactions and possible breaking down of the tape, and the common issue of folks using too much tape to seal a given joint, only to create issues down the road. They banned it!

Imagine that a product that they make, they ban for use in their own facilities.

BTW..... Henkel Corporation..... They make Loctite products   :rock

A quick spray of liquid copper primer and some PST on any threaded seal connection regardless of material and it's not gonna leak.  I use it on 5,000 psi hydraulic connections and it is the bomb!

Stay away from tape!

Offline Rob52240

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Re: Anybody familar with Gas Boilers?
« Reply #44 on: October 23, 2013, 09:39:37 PM »
Well I don't know squat about boilers, well I do actually but not enough to be giving advice that's for sure.   Teflon tape I do know a few things about.

Years ago I heard an interesting story, can't actually prove it.  But given what I know about sealants and flanges and threaded connections I can believe it.

Listening to a presentation from a Henkel rep, he explained that the DuPont company strictly forbid the use of teflon tape for any use within the company manufacturing plants .  They do in fact allow the use of teflon based pastes and so called pipe dope.   Given the reactions and possible breaking down of the tape, and the common issue of folks using too much tape to seal a given joint, only to create issues down the road. They banned it!

Imagine that a product that they make, they ban for use in their own facilities.

BTW..... Henkel Corporation..... They make Loctite products   :rock

A quick spray of liquid copper primer and some PST on any threaded seal connection regardless of material and it's not gonna leak.  I use it on 5,000 psi hydraulic connections and it is the bomb!

Stay away from tape!

I will vouch for Henkel products.   
If I had a gun with 3 bullets and I was locked in a room with Bin Laden, Hitler, Saddam and Zipp...  I would shoot Zipp 3 times.