Darlly 40260 FC-0131 4CH-24 PTL20HS / PSG40W/PAD Filter Cartridge dialvalves The 1-3/4 inch hole size

The 1-3/4 inch hole size and 2-1/2 inch face help define the intended fit

helping all supported components function together more smoothly and predictably

That makes this unit especially useful when the owner wants to preserve more of the original system feel instead of stepping down to a more basic blower configuration

A properly selected system helps support cleaner replacement work and more dependable daily operation

and R185B heater applications where the supported sealing points need fresh O-rings

Darlly 40260 FC-0131 4CH-24 PTL20HS / PSG40W/PAD Filter Cartridge dialvalves The 1-3/4 inch hole sizeA filter cartridge provides the working media that captures debris during normal circulation, and this Darlly cartridge is designed for compatible applications referencing FC 0131, 4CH 24, PTL20HS, and PSG40W PAD. When an older cartridge begins to clog or lose effectiveness, the water system can feel less efficient than it should. The expanded cross reference set gives this cartridge practical value because accurate filter replacement depends on