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    Muscadines's Avatar
    Muscadines Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Aug 16, 2018, 06:13 AM
    Heater for a Greenhouse/cold frame
    I am converting my 12x16' green house into a large cold frame. I don't want the temp to drop much lower than 30*. I have a 240 volt, potable heater but the temp only lest it go as low as 45*. Is there a way I can install a Thermostat switch externally to only let the heater kick on at a lower temp?
    talaniman's Avatar
    talaniman Posts: 54,327, Reputation: 10855
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    #2

    Aug 16, 2018, 06:53 AM
    Like this?

    https://www.amazon.com/s/?ie=UTF8&ke...l_20zsd2z64j_b



    Or simply spring for a heater with a programmable thermostat built in.
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
    Uber Member
    		  
    #3

    Aug 16, 2018, 02:08 PM
    Search "240VAC line thermostat". Lots of options
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