The HK-10 from Beacon Morris is a 1/2” Flexible Hose connection kit, 10 feet. This item can be installed in Twin Flo III heater models: K42, K84, and K120. Also works with other brands.

Includes:

• (2) 1/2" (nominal) female bronze barbed hose connections;
• (2) 1/2" (nominal) male bronze barbed hose connections;
• (4) Constant tension hose clamps;
• (1) 10 ft length of ½" flexible hose.