Heat Pump / Water Hose Assemblies
Keflex™ Heat Pump and Water Hose Assemblies provide a flexible, fire-rated connection for water systems in HVAC and mechanical applications. Constructed with a stainless-steel outer braid and EPDM core, these hoses are corrosion-resistant, durable, and designed for water use only.
Available in steel, stainless, or aluminum braided options, each assembly includes male-to-female or male-to-male swivel fittings in brass or steel, with lengths from 12″ to 48″ in 6″ increments. Rated for 25°F to 195°F, Keflex™ water hoses offer leak-free performance and easy installation in heat pump, chiller, and condenser water systems.
Features & Benefits
– Fire Rated & NSF 61 Listed – Meets stringent safety and performance standards for use in potable water and mechanical systems.
– Durable Braided Construction – Stainless steel braid over EPDM core provides superior strength, flexibility, and vibration absorption.
– Wide Temperature Range – Reliable operation from 25°F to 195°F for a broad range of water system applications.
– Corrosion-Resistant Materials – Stainless, steel, aluminum, and brass fittings ensure long service life even in demanding environments.
– Multiple Fitting Options – Available with fixed male x male swivel or male x female swivel ends for easy installation.
– Custom Lengths Available – Standard lengths from 12″–48″ in 6″ increments; custom sizes fabricated on request.
– American-Made Quality – Manufactured in the USA with strict quality control to ensure performance and compliance.
Applications
– Water source heat pumps
– Fan coils and hydronic systems
– Water coolers and heaters
– Mechanical piping vibration isolation
– Pipe expansion and movement absorption
Markets Served
– HVAC and mechanical systems
– Commercial and industrial buildings
– Institutional and municipal facilities
– Plumbing and water distribution systems
Need a custom flexible metal solution?
If your system requires non-standard movement, pressure, or connection configurations, Flex-Weld engineers can design and fabricate custom expansion joints, metal bellows, and flexible hose assemblies to your exact specifications. We’ll tailor materials, end fittings, ply count, and cycle life to meet your application—whether it’s HVAC, power generation, chemical processing, or aerospace.