Honeywell T921A1191 Tradeline Proportional Thermostat modine This damper measures eighteen by

This damper measures eighteen by twenty-four inches and integrates into HVAC systems to control airflow efficiently

and screws for easy installation

This product is designed for effective air filtration

This Honeywell retaining clip is crafted from high-quality materials for durability and resistance to wear

Honeywell T921A1191 Tradeline Proportional Thermostat modine This damper measures eighteen byProduct Description The Honeywell T921A1191 is a proportional thermostat designed for low voltage, three wire control of valve motors, damper motors, and balancing relays in both heating and cooling systems. This thermostat operates within a temperature range of fifty six degrees Fahrenheit to eighty four degrees Fahrenheit. Bellows element adjusts potentiometer slider to control motor operation. Removable setting knob prevents unauthorized tampering.