Vaillant ecoTEC plus 430 ErP - £1,070 (good price)
Installation of boiler and associated work - £1,585 (bit high)
Install standard flue with black plume kit - £320 (way to high)
Connect up boiler condenser waste pipe to washing machine waste pipe 2 metres directly below - £120 (way to high should be around £50-60)
Connect & test a switched fused connection unit £195 (way to high £30-£40)
Powerflush and system water treatment - £570 (if they do a days work thats not bad)
Supply and fit MagnaClean Professional MC22002 Magnetic Filter - £250 (good price)
what about pump motorized valves non of them getting change?
£30-£40 maybe if just replacing socket for a spur but could need bonding to gas and water etc