Herga Foot Air Bellow (6448-AAAB) suctions A true-union swing check valve

A true-union swing check valve helps support one-way water movement in a compatible plumbing system

A properly selected kit helps preserve the original water-moving behavior of the pump instead of forcing the repair to rely on mismatched individual parts

or no longer closing correctly

this heater addresses one of the most common service challenges: restoring proper heat delivery without introducing new inefficiencies

000 gallon systems

Herga Foot Air Bellow (6448-AAAB) suctions A true-union swing check valveA foot air bellow helps generate pneumatic pressure for a compatible foot operated control system, and this Herga Electric version uses the 6448 AAAB reference. Foot bellows are useful because they allow hands free pneumatic activation in applications where a foot based control method is more convenient or more appropriate. This part has practical value because the bellow is designed specifically for foot actuated pneumatic operation rather than hand