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Leaking hot water radiators

ranastoswall
Member Posts: 1
Hello!
I am new to the forum and hoping to find some help. I recently had two old cast iron radiators from my 1900s Philadelphia row home (which had been in perfect working order) sand blasted and powder coated by a local place. After hooking them back up and starting to pressurize the system, I discovered that there were small leaks between multiple sections of the radiators. I tightened down the bolts on the sides, which seemed to work a bit for one of the radiators but not for the other.
Does anyone have any other suggestions? Do I have to scrap my beautiful new radiators?
Thanks!
Rebecca
I am new to the forum and hoping to find some help. I recently had two old cast iron radiators from my 1900s Philadelphia row home (which had been in perfect working order) sand blasted and powder coated by a local place. After hooking them back up and starting to pressurize the system, I discovered that there were small leaks between multiple sections of the radiators. I tightened down the bolts on the sides, which seemed to work a bit for one of the radiators but not for the other.
Does anyone have any other suggestions? Do I have to scrap my beautiful new radiators?
Thanks!
Rebecca
0
Comments
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Try tightening again with one person on each end going together.0
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That's the down side of powder coating old rads. Baking process can destroy the paper gaskets.
You could try this...
http://www.fernox.us/products/water+treatment+chemicals/leak+sealers0 -
I have used Fernox cleaner and protector and like their products. Didn't know they made a sealer. Would definitely give it a try0
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Those radiators have push-nipples in them, which can be replaced, and any gaps sealed with hi-temp silicone caulk. Do Not over-tighten the rods or you may crack the radiators.All Steamed Up, Inc.
Towson, MD, USA
Steam, Vapor & Hot-Water Heating Specialists
Oil & Gas Burner Service
Consulting0
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