![Heat Addition Module - Relay Only](http://undermountac.com/cdn/shop/files/PXL_20240415_205226145.MP_{width}x.jpg?v=1713284869)
*This kit is to be purchased at the time of kit purchase*
If your require an upgrade to a existing system please email us sales@undermountAC.com
Includes:
- Heat functionality enabled on our NextGen thermostat with 3m control wiring to the Heat module.
- 4 relay enabled control module to add your own accessories.
Please see video below explaining functionality: