Darlly 71053 FC-1977 C-7471 PCC105 Filter Cartridge surfacemaintenance Improves heating confidence and daily

Improves heating confidence and daily comfort

That keeps the repair economical while improving usability

and controls may all still function in some form

Fits compatible H-Series induced-draft heaters built before 10/2000

Darlly 71053 FC-1977 C-7471 PCC105 Filter Cartridge surfacemaintenance Improves heating confidence and dailyA filter cartridge helps the circulation system remove suspended debris so the water stays cleaner through normal use, and this Darlly cartridge is designed for compatible applications referencing FC 1977, C 7471, and PCC105. When the cartridge media becomes loaded or less effective, filtration performance can feel less reliable than it should. The grouped application numbers give this cartridge practical value because proper replacement depends on