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Zone Expansion Module - Six Zone Valves

$209.95

Control Description: The Zone Expansion Manager 325 is designed to simplify the wiring between tN4 thermostats and zone valves. The 325 has an internal transformer that supplies power to the tekmarNet+4 (tN4) thermostats and connected zone valves. Co

Equalizer Register Booster

$44.99

Just place this ""thermostat-booster"" over your home's floor or wall registers and boost its airflow by up to 80%. Improves the level of warmth or coolness in any room. No wiring needed. Just plug in, relax, and be comfortable in any season. Keyhole...

Honeywell T874A1036 Beige T874 Series Discount Non-Programmable

$206.76

Requires Q674 Sub base to provide wiring terminals. Coiled bimetal elements operate dust-free mercury switches. External levers and scale for temperature setting on top of thermostat case.

Wall-Mounted Thermostat For Millivolt System

$39.00

The millivolt wall-mounted digital backlit LCD thermostat is a great option for operating your millivolt or 24v gas log set. Commonly used in new construction or where wiring in the wall is accessible. This allows you to use your vent free and direct...

Zone Manager - Four Zone Pumps

$279.95

Control Description: The Zone Manager 336 is designed to simplify the wiring between tN4 thermostats and zone pumps. The 336 has an internal transformer that supplies power to the tekmarNet+4 (tN4) thermostats. Control + Microprocessor PID control;

Envirocool Thermostat Kit

$219.99

Thermostat kit for wiring your Envirocool to your Quiet Cool whole house fan system.