I had a Eco Tec 637 fitted 18 months ago, was fitted by uncle whos corgi registered, it's been serviced. He recommended a TOTAL new system to the house, so all pipe work was removed new installed. ( He lives in Ipswitch I live in Yorkshire, but hes currently away hence me writing here!)
A week ago I bleed the radiators re-pressured the system to 1.5 when the system was off and cold, everything fine. 2 days later I heard an almighty banging from the boiler like someone was hitting it with a hammer, and the pressure needle jumping all over the place. Turned it off left for 5 mins restarted the boiler, and everything seemed to return to normal. I noticed the room get cold and when i felt rads they were off. Went to check on boiler and saw F75. tried several attempts to get it back on. In the end the only way I could get heating, was to lower the pressure by taking water form a rad, turning the boiler back on and then pressure up when it was trying to kick in. that got it working.... next day I called Valliant to come out , the same day same problem with banging, Had the problem all weekend, Valliant couldnt get an engineer out for 4 days....froze then warmed froze then warmed.
Engineer has just been today tested the water said it was black ( which it was, im not going to deny) said it was that that was the problem, it had effected the heating exchange, said said they wouldnt touch it untill I'd had a power Flush and inhibitor put in as it will invalidate my warrenty, If after I had this carried out and if the problem still persited they would then come back, test the water even if it was clear, which takes a week and then change the exchange........
DOES this sound plausible???? and if so, I have still got the problem untill a power flush, Engineer said press ignition button and it will relite but it DOSENT!!! and I dont want to keep emptying and repressuring to get heat as that i know doesnt help a system but its freezing! How much will I be looking for a power flush, the house is 4 floors, with 13 rads and a Mega flow 210 tank thanks
A week ago I bleed the radiators re-pressured the system to 1.5 when the system was off and cold, everything fine. 2 days later I heard an almighty banging from the boiler like someone was hitting it with a hammer, and the pressure needle jumping all over the place. Turned it off left for 5 mins restarted the boiler, and everything seemed to return to normal. I noticed the room get cold and when i felt rads they were off. Went to check on boiler and saw F75. tried several attempts to get it back on. In the end the only way I could get heating, was to lower the pressure by taking water form a rad, turning the boiler back on and then pressure up when it was trying to kick in. that got it working.... next day I called Valliant to come out , the same day same problem with banging, Had the problem all weekend, Valliant couldnt get an engineer out for 4 days....froze then warmed froze then warmed.
Engineer has just been today tested the water said it was black ( which it was, im not going to deny) said it was that that was the problem, it had effected the heating exchange, said said they wouldnt touch it untill I'd had a power Flush and inhibitor put in as it will invalidate my warrenty, If after I had this carried out and if the problem still persited they would then come back, test the water even if it was clear, which takes a week and then change the exchange........
DOES this sound plausible???? and if so, I have still got the problem untill a power flush, Engineer said press ignition button and it will relite but it DOSENT!!! and I dont want to keep emptying and repressuring to get heat as that i know doesnt help a system but its freezing! How much will I be looking for a power flush, the house is 4 floors, with 13 rads and a Mega flow 210 tank thanks