loosen the fastening screw on the ZDB-TF

Its durable 3 lb construction includes a die-cast aluminum actuator and a replaceable neoprene diaphragm

Key Benefits: Automatic Adjustments: Utilizes an outdoor sensor to optimize humidity levels and prevent moisture buildup on windows

Common Questions Will this trim lock fit older WestingHouse Pow-R-Line panels

Hartland Controls 90340 Relay 319848-301 loosen the fastening screw onThe Hartland Controls 90340 Relay is a heavy duty, field proven solution for switching fan motor loads and managing auxiliary circuits in residential and commercial HVAC systems. As a veteran grade DPDT 24V relay, this unit features a 24 VAC coil designed for seamless integration with standard 24V control loops. Engineered for reliability, the 90340 general purpose relay utilizes double pole, double throw switching to provide independent control of