773-438

Ensure your heating system operates safely and efficiently with this high-temperature pressure switch vacuum hose. Designed for durability in demanding HVAC environments, this flexible tubing connects the air pressure proving switch to the inducer motor or collector box. It plays a critical role in your furnace's safety circuit by transmitting the vacuum signals necessary to confirm proper airflow before ignition. If your furnace is failing to start or displaying pressure switch error codes, a cracked, brittle, or clogged hose is a common cause. This heat-resistant replacement is engineered to withstand the thermal stress of modern high-efficiency furnaces, maintaining a tight seal to prevent air leaks and ensure reliable combustion cycles.
Type: HVAC Air Pressure Switch Tubing
Size: Standard 3/16-inch Inside Diameter
Dimensions: 9 to 10 inches × 3/16 inch ID
Application: Commonly used in residential gas furnaces and HVAC heating units to connect the air proving switch to the burner assembly or vent inducer.
Specifications: High-temperature resistant construction, flexible vacuum-rated material, 3/16" inner diameter for standard furnace pressure port fittings.