Gas regulation Test
1) sw. off boiler
2) run HW tap until very cold
3) sw. on boiler
- observed boiler fire - NO initial regulation (1-2 sec as suggested above)
- observed NO Regulation / gas flame change (2-30 seconds)
4) Disconnect / pull black control wire
- observed NO...
My uncle or cousin will do any gas work i need doing, but as an electrical service eng. Myself there is no harm me doing some diagnostics - especially since the blogs are replete with so called professionals struggling and changing parts willy nilly.
Been without HW for over 6 months. Finally diverter valve started leaking so sprung my lazy ass into motion - changed 3 way divertor OK.
Central Heating 'appears' to be functioning except I notice that primary heating cct does not reach 80deg - only 70deg - ALL dials set at max (HW and CH)...