Weil-Mclain HE5 replacement?

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Old 11-26-13, 03:41 PM
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Weil-Mclain HE5 replacement?

Hello and good day.

What boiler would be the easiest replacement for a 25+ year old
Boiler? Would like the newer efficient boiler, but probably can't afford.
Perhaps a replacement that wouldn't require much repiping
Less labor for installer, less expensive.
Any comments? Ideas? Suggestion?
 
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Old 11-26-13, 03:57 PM
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The HE was an induced draft boiler...


First off since most boilers were oversized you need to do a heat lose of the home...

Once you determine that they you can start shopping for a boiler...

There are stickys at the top of this forum with a heat loss calculator...

How many sq ft is the home? How well is it sealed up from drafts and such?

I like the slant fins and some burnhams... There are others nut I am sold on the controls for the slant fins... This is if you are installing a standard boiler and not a high eff boiler.

What type of heat emmiters?
 
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Old 11-26-13, 04:14 PM
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Thanks for reply!
House is 2400 sqft including partial dirt floor basement
where the boiler is.
Have one older type two foot wide cast iron radiator in second floor bathroom.
The rest are aluminum finned baseboard type 3/4 inch copper tubing.
 
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Old 11-26-13, 04:56 PM
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The Slant fin you mentioned looks really good!
What do you think about the LX 150 CB?
Also provides DHW.
I have propane fuel supply only.
My water heater is as old as my boiler.
Would be nice to have the combination type boiler.
What do you think?
Thank you for your time.
 
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Old 11-26-13, 04:58 PM
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The HE 5 had a DOE of 105k btu.. You will find once you do a heat loss you will be closer to 60K.....

Where does your flue for the current boiler vent to know? Chimney?

How much money you want to spend?????
 
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Old 11-26-13, 05:01 PM
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I have propane fuel supply only.
My water heater is as old as my boiler.
Would be nice to have the combination type boiler.
Hmmm... IMO you may not want to use the boiler to heat hot water... Even an indirect... Stand alone is best IMO with propane, and as a mater of fact I would probably install an electric water heater....

Whats your electric rate?
 
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Old 11-26-13, 05:03 PM
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Flue vents through outside wall directly above HE5.
If I could find a dependable combo, guess I could dog up
5K somewhere. Would that be feasible?
 
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Old 11-26-13, 05:10 PM
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Not sure of rate. It tends to vary month by month.
Electric bill averages $55/mo. with all gas appliances.

I
 
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Old 11-26-13, 05:30 PM
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If you have time, could you please explain the DOE rating?
Would I look for a DOE rating when pricing a boiler instead of btu?
The more I can learn, the easier it will be to communicate with the contractor.
I'm sorry to say haven't had very good experience with them in the past.
Thank you for your time.
 
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Old 11-26-13, 05:32 PM
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What unit were you looking at? If your going combi then there are others to chose from...

Although I feel they may use less propane on heating I thing more may be used during hot water heating...

It may be a wash IDK,,,

How many in the home?

5k???? LOL... The piping needs to be different and units are around 3 alone..
 
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Old 11-26-13, 05:36 PM
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Only two of us here.
7k maybe?
Looking at the Slant fin models as you have suggested.
They have the combo units.
 
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Old 11-26-13, 06:13 PM
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I like the slant fins in the cast iron variety... If your going mod con I feel there are better out there...

I like the peerless with SS heat exchanger....

I would stay away from the combi boilers... The peerless combis are around $4500.....Plus the btu output needs to be way over your heat loss just to make hot water...

Better off with storage tank on propane... ( Just my opinion)

I would lean towards the purefire and couple with a supor stor indirect... The smallest indirect IMO...


Peerless® PUREFIRE®


Let others chime in as what I say is my preference from experience......
 
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Old 11-26-13, 06:26 PM
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Thanks much.
I followed the link for Peerless.
They are rated as "input and output" MPH.
What size MPH might I need?
 
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Old 11-26-13, 06:35 PM
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You need to do a heat loss of the home and follow DOE rating....


http://www.doityourself.com/forum/bo...alculator.html
 
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Old 11-26-13, 06:37 PM
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Will try...thank you for you help.
 
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Old 11-28-13, 05:31 AM
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Another idea..... The only reason I want to replace boiler is because
I am afraid that the heat exchanger will rust out soon.

Would a new heat exchanger be available for the HE 5?
 
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Old 11-28-13, 06:49 AM
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Heat exchanger

To verify that the heat exchanger is good do a water pressure test of 50 psi. for a couple of hours. The down side of test is if the metal fails you will need a heat exchanger,unless the leak is at the domestic hot water coil then it is a new gasket. If it passes the test you are good for another 10 years or more.
 
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