Installed c1988, was working OK through March 2006.
DHW still works OK, but at recent gas safety check the
engineer noticed that it does not respond to Central Heating
demand. However, he is unfamiliar with Leblanc kit.
Have user and installation manuals, but not obvious.
Pump does work (e.g. at start-up); main burner fires up
in response to hot water demand but not for CH.
(CH temp is high, and external timer is 'on'.) No room stat.
Anybody got any thoughts on this?
Or anybody nearby feel like taking a look?
Any help or ideas would be appreciated. Many thanks.
(Can tell-me-phone london ate tree nein nein too oh sicks tree)
DHW still works OK, but at recent gas safety check the
engineer noticed that it does not respond to Central Heating
demand. However, he is unfamiliar with Leblanc kit.
Have user and installation manuals, but not obvious.
Pump does work (e.g. at start-up); main burner fires up
in response to hot water demand but not for CH.
(CH temp is high, and external timer is 'on'.) No room stat.
Anybody got any thoughts on this?
Or anybody nearby feel like taking a look?
Any help or ideas would be appreciated. Many thanks.
(Can tell-me-phone london ate tree nein nein too oh sicks tree)