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Another Rad Problem

Aeneas · 2007-12-12 18:49:12

I have several rad problems 1) one of the 10 rads downstairs does not work. All the other nine (including three double rads) are hot ie you cannot keep your hand on them for more than three or four seconds. One of these needs constant venting, but the venting works. The air is expended with some force until the water…

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#32 08-01-2008 11:53am
theplumber

Closed Accounts Posts: 8 ✭

Join Date: December 2007

Posts: 7

Brian, Ultrasonic technology was derived from sonar used to locate U-boats in the 1940s.
Advances in microprocessor technology by some extremely clever people has led to today's sophisticated instruments.

In "echo to echo" mode waves pass through the paint, hit the surface of the steel and return a first echo. Then waves return a second echo from the far side of the steel. This enables the instrument to calculate the steel thickness alone without removing the manufacturers original paint

This is a recent advance in this technology.

To many peope to be honest consider system maintenance a waste of money. they think the boiler service man does it all.

I do not post on boards.ie to plug plumbersdiary.com

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