121-331

This premium Vacuum Hose Assembly is an essential component for maintaining the safety and efficiency of your furnace's combustion blower system. Designed to facilitate a precise vacuum signal between the draft inducer motor and the pressure switch, this assembly ensures that the exhaust fan is operating at the correct parameters before ignition occurs. Over time, original hoses can become brittle, cracked, or clogged, leading to common HVAC issues like pressure switch lockout or heating system failure. This replacement hose is constructed from high-quality, heat-resistant materials capable of withstanding the rigorous environment of a high-efficiency gas furnace. By ensuring a reliable airtight seal, this part helps restore proper venting and prevents intermittent furnace shutdowns, making it a vital repair part for seasonal HVAC maintenance.
Type: HVAC Combustion Component
Size: Small
Dimensions: Varies by application × Standard vacuum diameter × N/A
Application: Used in residential and commercial gas furnaces to connect the combustion air blower or draft inducer to the vacuum pressure switch for safety monitoring.
Specifications: Flexible heat-resistant tubing, vacuum-rated construction, engineered for high-efficiency heating systems.