Field Controls GVD-4PL Gas Vent DamperField Controls GVD 4PL Gas Vent Damper is an efficient automatic vent damper designed for 24V gas systems. This 4" vent damper provides dependable backdraft protection and precise airflow control without requiring a wiring harness. Engineered for durability and straightforward installation, this gas vent damper fits standard 4 inch ducting and integrates into existing 24V control setups. Its spring loaded operation ensures quick response to changing

The White-Rodgers 90-380 Enclosed Relay is a rugged

Trusted for safety and performance

Mounting note Excludes baseplate

This Therm-O-Disc style 60T12 unit (Therm-O-Disc Type 610044) mounts on a 3/4 inch flanged Airstream for precise temperature-actuated switching in compact HVAC setups

it provides long service life under variable pressures and temperatures

with flexible mounting in horizontal or vertical orientations for easy installation

delivering steady cooling and reliable performance in demanding environments

designed for reliable

Reliable temperature sensing with stable

On/Off (general close‑off)

durable solution with broad media compatibility

Easy installation with standard mounting points