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Empty boiler & new drain valve size options
cubicacres
Member Posts: 358
Now that our leaking boiler drain valve let all the water out in the past 48 hours, is it ok to keep it empty for a few days while we get a new drain valve (appreciate the advice from the previous thread) wondering about oxidation if left empty rather than full for a while until we fill it up for the summer)? We'd like to use a wand to wash it out now that it's empty, but not sure if we'll get to that if time is of the essence quickly to replace all the water & add a steamaster tablet for summer storage.
And since the 3/4" valve has 2 larger adapters behind it, is there value in ( trying) to remove them to install a larger 1" or 1.5" or 2" valve in hopes it will drain better/more mud over the years since larger diameter? The 3/4" is slightly more convenient since hose sized, so curious if there's any opportunity to improve while we're at it.
And since the 3/4" valve has 2 larger adapters behind it, is there value in ( trying) to remove them to install a larger 1" or 1.5" or 2" valve in hopes it will drain better/more mud over the years since larger diameter? The 3/4" is slightly more convenient since hose sized, so curious if there's any opportunity to improve while we're at it.
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But you can leave it empty for a few days while you get a new valve.Br. Jamie, osb
Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England0 -
I like to put 1-1/2" nipple and a full port ball valve on that bottom tapping for fast flushing to move more water and more mud out of there. Then I put another 1-1/2 Nipple to connect a large (2") rubber hose to it for that flush. After the flush is done, a bushing or reducing coupling to 3/4" with a boiler drain for the customer or other service that requires draining the boiler. That 2" hose goes back to the shop for another day.Edward Young Retired HVAC Contractor & HYDRONICIAN Services first oil burner at age 16 P/T trainer for EH-CC.org0
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Saw the inner adapter was marked 2 1/2 x 1, does that mean 2.5" diameter & 1" long adapter? And then I'll use a 2.5" brass nipple and valve?0
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If that's a reducer from 2.5" to 1", removing that second adapter makes it inside the boiler jacket a bit. Would it be easier to just remove the first adapter and be close to flush with the blue metal boiler jacket for pipe wrench use, settling for a 1" brass nipple to extend it a bit & use a 1" ball valve?0
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It is a reducer from 2.5" to 1". 2.5" fittings can be a little hard to find locally. You would have to either remove the jacket or use a socket to remove the larger bushing.0
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