If it's just a dimmer you're looking for, as opposed to a thermostat that will self regulate your CHE, I would just get one from lowes/Home Depot/etc. Can be found in the lighting aisle and will do the same thing as a reptile marketed rheostat for a fraction of the price. https://m.lowes.com/pd/Lutron-Creden...Dimmer/4462373


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