>>My problem is that when the fire cools down it take ages for pipe >>thermostat to turn off. Thus pushing cooler water through the calorifier >>and taking heat out. I've over come this by fitting a shut off valve on >>the calorifier heat feed. But this means opening and shutting it at either >>end of the woodburners 'hot time' and the valve is awkward to access. >>If I increase the setting on the pipe thermostat the boiler 'boils up' >>before the pump kicks in.
Could you need a new pipestat? Ours is very prompt turning off when the water cools down. Richard Tanner NB Cartref
