Description
The Slant Fin 440-856-000 Pressure Switch is a high quality control part that used to measure and regulate pressure in HVAC systems. It has a pressure range of 0.90” WC and is used primarily for safety because it monitors draft and combustion air flow in gas fired boilers and furnaces. Installed in most of heating equipment it controls the activation or deactivation of the system depending on the pressure and this helps to prevent system failure and enhance the efficiency of the system. They increase safety energy efficiency and durability of the system due to its reliable performance.









