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Replacement Thermostat

  • 19-11-2016 6:23pm
    #1
    Maureen O G
    Registered Users, Registered Users 2 Posts: 4 ✭


    I have an air to water heat pump system with dial type 230v thermostats in each room. Some thermostats have failed and I replaced them with a couple of spares we had left over. Another has failed now & I can't source similar on line or from heating & plumbing supplier outlets. Will any 230v Thermostat work? Or is the wiring different depending on brand? I realise I will probably have to replace mounting plates but as they are surface mounted this isn't a problem.


Comments

  • #2
    Dtp1979
    Registered Users, Registered Users 2 Posts: 12,870 ✭✭✭✭Dtp1979


    Maureen O G wrote: »
    I have an air to water heat pump system with dial type 230v thermostats in each room. Some thermostats have failed and I replaced them with a couple of spares we had left over. Another has failed now & I can't source similar on line or from heating & plumbing supplier outlets. Will any 230v Thermostat work? Or is the wiring different depending on brand? I realise I will probably have to replace mounting plates but as they are surface mounted this isn't a problem.

    Which stat do you have in place,? Is it programmable? Volt free? Does it have a neutral?


  • #3
    Maureen O G
    Registered Users, Registered Users 2 Posts: 4 ✭Maureen O G


    What I have are Rehau Alpha Comfort stats. They're not programmable just a simple dial type with temp range from 10 to 30 degrees. Am awaiting visit of (electrician) son who is to check wiring setup for me but I'm fed up waiting & have one cold room in the meantime. I've looked at the wiring diagram online and it appears that the base unit does have a neutral connection. Can't post link here as I'm a new user. Sorry! It does appear from online wiring diagram that there is a neutral connection.


  • #4
    Dtp1979
    Registered Users, Registered Users 2 Posts: 12,870 ✭✭✭✭Dtp1979


    Maureen O G wrote: »
    What I have are Rehau Alpha Comfort stats. They're not programmable just a simple dial type with temp range from 10 to 30 degrees. Am awaiting visit of (electrician) son who is to check wiring setup for me but I'm fed up waiting & have one cold room in the meantime. I've looked at the wiring diagram online and it appears that the base unit does have a neutral connection. Can't post link here as I'm a new user. Sorry! It does appear from online wiring diagram that there is a neutral connection.

    If it's 230v and has a neutral then something similar should do. A stat is basically just a switch anyway


  • #5
    Maureen O G
    Registered Users, Registered Users 2 Posts: 4 ✭Maureen O G


    Thanks for your help.


  • #6
    Dtp1979
    Registered Users, Registered Users 2 Posts: 12,870 ✭✭✭✭Dtp1979


    Maureen O G wrote: »
    Thanks for your help.

    Something simple like EPH cm3 is 230v and had a neutral. Basic but reliable


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