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Old 11-26-2012, 05:29 AM   #31
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How Do I Add Water To My Boiler System?


you may have to drain system to install by pass however, not much water ...once you fill system shut off the new bypass valve..this will place pressure relief back in play...actually you never take it out of play as you are leaving it in the system at all times...you will notice it releive if you allow the feedwater to pressurize the system over set point of relief which is likely 30psi. i.e. install tee in supply water line before existing regulator and tee in system line after regulator and install valve between tees..this will give you a means to manually fill system ..once you get up to desired pressure you mist shut valve..the relief is always subject to system press.

BTW you should set press at 13 - 15 lbs max

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Old 11-26-2012, 05:38 AM   #32
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Like this here, only with quarter turn ball valves.

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Old 11-26-2012, 11:12 AM   #33
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How Do I Add Water To My Boiler System?


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Originally Posted by techpappy View Post
you may have to drain system to install by pass however, not much water ...once you fill system shut off the new bypass valve..this will place pressure relief back in play...actually you never take it out of play as you are leaving it in the system at all times...you will notice it releive if you allow the feedwater to pressurize the system over set point of relief which is likely 30psi. i.e. install tee in supply water line before existing regulator and tee in system line after regulator and install valve between tees..this will give you a means to manually fill system ..once you get up to desired pressure you mist shut valve..the relief is always subject to system press.

BTW you should set press at 13 - 15 lbs max
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Like this here, only with quarter turn ball valves.

Ah, okay -- I understand now! I can do that. Do I need any particular type of quarter turn ball valves since I'm going from copper to iron?



Heh, now it makes me think maybe I can also replace the pump and those pressure valves myself ... any recommendations? and would they (particularly the pump) be re-useable when I eventually get a new boiler or would it be a waste?

Last edited by Quackerjack; 11-26-2012 at 11:29 AM.
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Old 11-26-2012, 11:25 AM   #34
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How Do I Add Water To My Boiler System?


You should put in dieelectric unions with high temp gaskets
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Old 11-26-2012, 09:27 PM   #35
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How Do I Add Water To My Boiler System?


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Temporarily ...Attach garden hose to boiler drain and to water supply ..you may need adapter to reconfigure hose to fit......open water supply then open drain slowly to back feed and pressurize system until water bleeds from upper rads. This should get you going temporarily until you can replace defective valve(s).
NOTE...DO NOT LEAVE HOSE ATTACHED TO DRAIN....IT WILL EXPAND AND BURST IF LEFT EXPOSED TO THE HEAT
This worked beautifully. All radiators now have heat! Next step is to either replace the old valves myself or bite the bullet and get a company to replace the whole thing including boiler and pump. Thanks Techpappy and everyone else for your input!

PS. I do still have a question about installing a new pump. Would an eventual new boiler have the pump already mandatorily included as part of it or is it a separate part? I don't want to waste time and money on a new pump if I may end up replacing the whole thing within 6 months and then have to throw out the new pump I just installed. Also, is the clicking/rattling which is apparently a sign of "the bearings going" a major issue that needs immediate attention?
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Old 11-26-2012, 11:15 PM   #36
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How Do I Add Water To My Boiler System?


as we said get water in it ......:thu mbsup:
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Old 11-27-2012, 04:13 AM   #37
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How Do I Add Water To My Boiler System?


New boiler will come with a new circulator.
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Old 11-27-2012, 09:20 AM   #38
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How Do I Add Water To My Boiler System?


replace pump if not replacing boiler..current pump doesn't sound like it will last the winter

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