The R25oW is a Wireless Outdoor Sensor for the PROsync Wireless System. Adding an Outdoor temperature sensor is a great way to improve the comfort and efficiency of a system, ensuring the best heating method is used depending on the outside temperature. The wireless capability makes the installation a breeze and a no-brainer for any heat pump retrofit.

The R251S can be wired to any Pro1 wired sensor capable thermostat. This accessory allows you to sense temperature anywhere. Move sensing location away from the thermostat!

The R250S can be wired to any Pro1 wired sensor capable thermostat. This accessory allows you to sense temperature anywhere. It can be used as an outdoor sensor or as a slab (floor) sensor!

The E219 is an optional accessory to WW160W (Wireless Wire.) When WW160W is installed outdoors, it must be weather protected. The E219 is a weather resistant
junction box that can be used to weather protect WW160W.

Cover up wall marks when updating thermostats using the T119.  This heavy-duty plastic plate fits on all Pro1 sub-bases in both vertical and horizontal mounting applications.  It even fits inside the T150 Thermostat Guard.

Protect your thermostat with this commercial grade locking thermostat guard which can be installed without removing the existing thermostat.  This is a perfect solution for installs in high traffic areas.