IPW Industries Inc. | 3-Pack 5-Micron String Wound Filter - Whole House Water Filter for 3M Aqua-Pure AP814, Pentek WP5BB97P, WPX5BB97P, and WP5BB975 Mixed Bed DI1467 so a declining reading means

so a declining reading means either the lamp is aging or the quartz sleeve needs cleaning

Model Number R7031-500K Resistance 500K OHM Voltage 110V AC Connection Size 1/2" MIP (Male Iron Pipe) Manufacturer Clack Corporation Application Deionization monitoring

aquaculture monitoring

Examine pleats for damage

Remove the old gasket and inspect the sealing surfaces on both the housing flange and cover for damage

IPW Industries Inc. | 3-Pack 5-Micron String Wound Filter - Whole House Water Filter for 3M Aqua-Pure AP814, Pentek WP5BB97P, WPX5BB97P, and WP5BB975 Mixed Bed DI1467 so a declining reading meansIPW Industries Inc. 3 Pack 5 Micron String Wound Sediment Filter Whole house sediment filtration compatible with 3M Aqua Pure AP814, Pentek WP5BB97P, WPX5BB97P, and WP5BB975 systems 5 micron filtration Polypropylene construction 10" x 2. 5" cartridge 3 pack value This 3 pack of string wound sediment filters provides reliable whole house filtration for capturing rust, sand, silt, and particulate down to 5 microns. Built with durable polypropylene