Fleck O-Ring, 3900 Adptr Coupling Industrial Water Softener Fleck 2900 2" NXT 300K System Areas with Salt Restrictions: Some

Areas with Salt Restrictions: Some regions have banned or restricted salt-based softeners due to environmental concerns

Pressure Monitoring and Control:

you’ll notice an immediate improvement in connection stability and leak prevention

Simplifies maintenance with easy-to-access valve components

Fleck O-Ring, 3900 Adptr Coupling Industrial Water Softener Fleck 2900 2" NXT 300K System Areas with Salt Restrictions: SomeThe FL16078 is a genuine Fleck O ring for the 3900 adapter coupling, supplied by Pentair. This seal sits within the adapter coupling connection of a Fleck 3900 control valve, forming a watertight barrier at the joint so water cannot leak out or bypass internally where the coupling meets its mating surface. Like all O rings in a control valve, it is small and inexpensive yet essential to leak free operation. Genuine Fleck O ring for the 3900 adapter