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Thanks mate. But yeh I solved it in the end. The pump was siezed which eventually knackered the expansion vessel. Changed the vessel n freed the pump with a screw driver. Funny thing is the pump n 3port valve were boxed in n plastered over. Lol. I still should have known to find em n check them...

Thanks mate. But yeh I solved it in the end. The pump was siezed which eventually knackered the expansion vessel. Changed the vessel n freed the pump with a screw driver. Funny thing is the pump n 3port valve were boxed in n plastered over. Lol. I still should have known to find em n check them...

Damn I'll have to get the doc on this one. lol

Hi, I'm a Gas Safe registered engineer and have entered my details into "the combustion chamber" and am waiting approval. In the mean time, I need an urgent response before 12 noon tomorrow (Monday). Just need opinions of people with more experience on this matter. I have a customer with a...

for anyone who reads this, n maybe needs help with the same issue, just zoomed into the picture and noticed that 2 on the stat, according to sabre, is COM and 3 is ON. Not sure if ON is same as NO (it is 'NO' as according to salus). Will find out wen its wired up. Or leme kno if u kno. Wont be...

Hi, im wiring the Salus RT500RF programmable thermostat to a sabre HE25 boiler, which doesn't have a wiring loop/jumper (the one you usually remove for the thermostat). The salus stat has 5points; 1. NC - Normally closed, so ignore this one (In the diagram for 230V application, this is...