425 coronet

  1. M

    Programmer / Timer replacement on an old boiler . Pump over run needed

    I wonder if anyone is able to help. I have a ServoWarm Elite 50 Boiler . it is over 30 years old , and is extremely reliable and has never really broken down. This is a simple hot water boiler system . with a pump and thermostat all in the housing. there is no room thermostat. so all it does is...
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