Recent content by leon9098

thanks for the replys. i will check wiring - the valve is a 3 way mid position valve. will post back when tried. thanks

Hi can anyone help I have a old potterton boiler with seperate HW tank and 3 way Honeywell diverter valve. The valve is new. I have also added new Siemens RWB29 programmer to my system. The system runs fine with all programs until the hot water tank trips the HW thermostat and...