Venstar acc0436 2-wire kit for all 24vac thermostats. This kit includes both the left and right wire. This kit makes it possible to begin experiencing results from your new 24vac system without any further work. The left wire allows you to test the system before ever putting it into use, while the right wire makes it possible to begin experiencing results after just one use. This kit is complete with everything you need to get started.
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