Gates 28439 HVAC Heater Hose - Reservoir (Upper) or Reservoir Overflow Drain Hose

Reliable Heavy-Duty Heater Hose for Automotive HVAC Systems

The Gates Straight Heater Hose (Heavy-Duty) part number 28439 is engineered to provide durable and efficient fluid transfer in vehicle heating and cooling systems. Constructed from high-quality EPDM material, this hose is designed to withstand demanding automotive environments, ensuring consistent performance in various makes and models.

• Made from durable EPDM rubber for heat and chemical resistance
• Inside diameter of 0.5 inches (13 mm) on both ends for consistent flow
• Centerline length options include 15.24 meters (50 feet) and 600 inches (15240 mm)
• Rated for a working pressure of 105 psi to handle typical HVAC system demands
• Straight hose design for straightforward installation and routing

About the Gates Straight Heater Hose (Heavy-Duty) Product Line

The Straight Heater Hose (Heavy-Duty) line by Gates focuses on providing robust HVAC heater hoses that meet the rigorous requirements of automotive heating systems. This product line emphasizes durability and resistance to heat, pressure, and automotive fluids, making it suitable for a wide range of vehicle applications requiring reliable heater hose solutions.

Detailed Product Description

The Gates 28439 heater hose is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive chemicals. Both ends of the hose have an inside diameter of 0.5 inches (13 mm), ensuring compatibility with standard heater core and engine fittings. The hose length is available in a substantial 50-foot roll (15.24 meters), allowing for custom cuts to fit specific vehicle requirements. Rated for a working pressure of 105 psi, this hose is suitable for maintaining proper coolant flow within the HVAC system under normal operating conditions. The straight design simplifies installation and routing in engine compartments.

Common Applications and Issues Addressed

• Replacement of worn or cracked heater hoses in automotive HVAC systems
• Resolving coolant leaks that cause heating inefficiency
• Upgrading to a heavy-duty hose for vehicles operating in high-temperature environments
• Repairing hoses damaged by exposure to engine fluids or ozone
• Ensuring consistent coolant flow to the heater core for reliable cabin heating

Installation Notes and Tips

When installing the Gates 28439 heater hose, ensure the hose is cut cleanly to the required length to prevent leaks. Use appropriate clamps rated for automotive HVAC applications to secure the hose ends. Verify that the hose routing avoids sharp bends or contact with moving engine parts to extend service life. This hose is compatible with many vehicle makes and models requiring a 0.5-inch inside diameter heater hose, but always confirm fitment with your specific vehicle's service manual.

Quality Assurance and Warranty

Gates manufactures the 28439 heater hose to meet industry standards for automotive HVAC components. The EPDM material and construction are tested for durability under typical operating pressures and temperatures. While specific warranty details are not provided, Gates products generally come with a limited warranty against defects in material and workmanship. For precise warranty information, consult the product documentation or Gates customer support.