Boiler questions....

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Old 03-23-11, 05:42 PM
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Boiler questions....

I had a serviceman here for my dripping PRV the other day. He told me that my expantion tank is full of water and is no good..He didnt want to chang the PRV without changing the Ex. Tank cause it prolly cause the new PRV to leak as well because of the higher pressure caused by the bad Ex. tank..(he didnt have a new tank on the truck) He did do a full clean and tune tho..My question is: Can i change these two item's myself and try to save some $$? It's about $60.00 in parts..I would still need them to come back cause they said i need a new fuel line because of a new Law passed in Ma. that says you need a shielded fuel line or a check valve at the tank... I was just trying to save some $$ But if they are here it may be better just to have them do it all...

Just wondering what people thought...Here's some pic's...

 
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Old 03-23-11, 06:18 PM
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How did he know the tank is bad?
 
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Old 03-23-11, 07:03 PM
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Trooper will help you here.


Just a note though. I see a air vent in the second to last pic up high on a riser. It looks cruddy. If you do the exp. tank you should change that too. The one above the air seperator looks newer. But of couse change that also if it dont work.

I would guess the service guy just tapped the tank to see if it felt heavy if he did not check the pressure. I say this because of all the fingerprints on the tank...LOL

Mike NJ
 
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Old 03-23-11, 07:55 PM
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He did tap on the tank it is soild, not hollow sounding.. And he pushed the valve in and got some water out...
 
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Old 03-23-11, 08:09 PM
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Yes you can change yourself.

Turn off power to boiler
Let the boiler cool.
Close the fill water to the boiler.
Relieve the pressre in the boiler to 0psi
Have the parts ready to go because you will get some water out,
exp,relief,air vents.
Turn feed water back on.
Restore power.
Run zones. Air should purge out. If not you may need to bleed.

Search Troopers posts. He has a section regarding the above, and purging I believe.

Mike NJ
 
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Old 03-24-11, 09:21 AM
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Thanks for the info! I'm gonna check and see how much it would be for them to do it.
 
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Old 03-24-11, 12:30 PM
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I'm gonna let them do it all. They will also swap out my old dripping ISO valves with ball valves for ease in the future.
 
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Old 03-24-11, 01:05 PM
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Good job. You know your skill set and you probably made a wise move. When in doubt let a pro handle it. Although some techs are questionable.

Mike NJ
 
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