On Wed, 06 Oct 2004 13:12:27 -0400, default
wrote:

|
|
| Bluesman wrote:
|
| Hi Everyone ~
|
| Big iron FHW radiators in an old colonial in Mass. Oil burner in the
| basement, just tuned up and checked last week. At the end of last
| season, one of the upstairs radiator and one of the downstairs
| radiators were slow to get hot for the 1st time in 7 years, which I
| tell the service guy.
|
| Serviceman checks them, they are bled and all the valves are open
| wide. System is working fine as far as he can tell, but they are
| still slow to get hot - he thinks the zone around the thermo is
| getting hot too fast to allow the system time to reach the offending
| radiators.
|
| That seems strange, as they were fine for the past 7 years.
|
| Any thoughts? Things to check?
|
|
| Well, if he's right, then partially closing the valves on the radiator(s)
|
| nearest the thermostat should fix the problem.
|

Hot water radiator valves need to be either all the way on or
completely off. Partially closing them does nothing.