My WoT 2-way valve on the firwall is sticking but do not know in what position: WoT or normal. A B _| | C When the WoT switch is pressed, the valve switch opens A+C, A+B or B+C ? it's now sticking at B+C. Thanks Regards, Maurits 1986 GV (Swiss WR) 1985 CGT KV 1982 GL DD