Unicel 5000 Series 37.5 sq. ft. Replacement Filter Cartridge | 5CH-37 Pumps The ignition control module manages

The ignition control module manages the ignition sequence and monitors the burner flame signal on MasterTemp and Max-E-Therm gas heaters

When replacing the top manifold

Confirm the total configuration for your filter model before ordering

See updated regulations below

Unicel 5000 Series 37.5 sq. ft. Replacement Filter Cartridge | 5CH-37 Pumps The ignition control module managesThe Unicel 5000 Series 5CH 37 delivers 37. 5 sq. ft. of filtration surface across 221 tightly packed pleats of 3 oz. Reemay 2033 polyester media engineered as a direct fit replacement for Aquaterra and Hot Springs spa filter systems. The compact 9" length and 5 5 16" outer diameter slot precisely into the filter housing, and the 1 1 2" MPT threaded bottom cap locks in without adapters. IMPORTANT: CAP DESIGN DIFFERS FROM ORIGINAL The original Aquaterra