Clack (R7031-500K) 500K OHM Resilites DI Light 110V; 1-2" MIP 20 inch x 4.5 inch Big Blue Filters2033 25 Tests Per Bottle No

25 Tests Per Bottle No Glass Required Fe+2 Specific

Compatible with Hydrion water pH test kits designed for dilute solution testing

Orient the meter vertically with flow direction matching the arrow on the body for most accurate readings

test samples at the same temperature each time and always zero your photometer with untreated sample water before adding reagent

This cartridge fits any standard 20-inch Big Blue housing with 4

Clack (R7031-500K) 500K OHM Resilites DI Light 110V; 1-2" MIP 20 inch x 4.5 inch Big Blue Filters2033 25 Tests Per Bottle NoThe Clack R7031 500K is a 500K ohm Resilites deionization indicator light engineered for reliable visual monitoring of DI resin exhaustion in water treatment systems. This 110V unit features standard 1 2" male iron pipe threads for straightforward integration into softener and deionization applications. SPECIFICATIONS Technical Details Model Number R7031 500K Resistance 500K OHM Voltage 110V AC Connection Size 1 2" MIP (Male Iron Pipe) Manufacturer