Question about Heating & Cooling
I assume this is hotwater heating. Your problem is air in the line. You may have something called an airscoop at the boiler...it is attached to a pipe at the top of the boiler and has a radiator vent unit on top. Purge it and you may fix your issue...or not.
If you don't have one or the problem persists, you'll have to bleed all of the radiators...perhaps several times. Be sure when you're doing this that you have water in the boiler before and after. If you fire a dry boiler, this is a problem which will be very expensive. You should see about 15 PSI or so of pressure indicating on the gauge. If you see less than 10 or more than 25, you also have a feed valve issue. These things do get dirty and they do clog.
If your vent valves at the radiators are more than 10 years old, get replacements. Take a couple of pictures of them and go to the plumbing store. Turn the water to the boiler off and quickly change each one. Turn the water back on, bleed again and you will be fine.
Posted on Nov 15, 2008
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
Tips for a great answer:
Jan 07, 2014 | Whirlpool 25.6 cu. ft. Side-by-Side...
Oct 17, 2011 | 1996 Ford Explorer
Feb 15, 2011 | 2000 Chevrolet Impala
Jan 08, 2011 | Heating & Cooling
Dec 21, 2010 | 1996 Ford Explorer
Nov 20, 2010 | 1997 Buick Skylark
Nov 15, 2009 | Honda Accord Cars & Trucks
Jul 18, 2009 | 1996 Nissan 300ZX
Jan 09, 2009 | 2001 Dodge Neon
80 people viewed this question
Usually answered in minutes!