From: Olden@Olden.com   
      
   I need to buy on-line.   
   Any model numbers ?   
   What terminology do I look for ?   
      
   Please help.   
      
      
   danny burstein wrote:   
   > In <602c5820$0$27446$e4fe514c@textnews.kpn.nl> Sjouke Burry  writes:   
   >   
   >> On 16.02.21 21:55, Olden wrote:   
   >>> Best to ask here or ?   
   >>>   
   >>> My gas furnace is a Holly.   
   >>> It has an old mercury two wire thermostat.   
   >>>   
   >>> I want to change the thermostat so that I can set the same two   
   >>> temperature ranges, day / night, for every day.   
   >>>   
   >>> I do not understand thermostats.   
   >>>   
   >>> The local store does not know how to advise me.   
   >   
   > There are (or at least were...) plenty of thermostats   
   > with multiple settings that followed the time of   
   > day and used a battery to operate the clock, hence   
   > could be hooked up to a basic two-wire control system   
   > and not worry about wiring for power.   
   >   
      
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