PresAir Trol Side Spout Pressure Switch [21A] [1/8" Barb] [SPDT] (PR11120A) gruber Filter cartridge for compatible C-4313

Filter cartridge for compatible C-4313 and PBW4PAIR spa and pool applications

Supports safety standards

Replacement valve handles restore the user-facing control point needed to change multiport settings accurately and smoothly

Replacement for this system is the BP7 [G6405]

PresAir Trol Side Spout Pressure Switch [21A] [1/8" Barb] [SPDT] (PR11120A) gruber Filter cartridge for compatible C-4313The PresAir Trol side spout pressure switch is designed for compatible systems that use a 1 8 inch barb connection and need an SPDT pressure activated switch rated at 21 amps. Pressure switches like this are important because they help verify operating conditions before allowing connected equipment to function as intended. This model is especially useful when the original switch no longer responds accurately to pressure changes, has become unreliable,