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rcr10433

  1. R

    Repair or replace a Siemens RCR10/433 thermostat unit

    Hi, My boiler is all working fine and serviced recently. My Siemens Thermostat RCR10433 needs repairing since when the temp goes low it doesnt switch ON the boiler. As suggested in other forums a whack on the thermostat unit switches on the boiler central heating system. I have done the reset...
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