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Ships within 48 hours · Estimated delivery Sep 24 - Sep 29
5-inch diameter Big Blue/Boy housings from Watts and similar manufacturers
🔧 Pro Tip: The 34 mil feed spacer makes the TW30-4040 more forgiving than thin-channel membranes
270 grains
as valve technology has improved significantly and older assemblies may not meet current safety standards or provide optimal regeneration performance
It requires pre-filtration to remove sediment and reduce turbidity before UV exposure
Oakton (WD-35661-17) TDS Tester & EC Tester Sensor Replacement electrode 24 inch Diameter Brine Tanks 5-inch diameter Big Blue/Boy housingsOakton Water Quality Meters Oakton WD 35661 17 TDS Tester & EC Tester Sensor Replacement Electrode Precision replacement sensor for maintaining accurate conductivity and total dissolved solids measurements in your Oakton handheld testers Factory OEM Part Direct Replacement WHY IT WORKS Built for Field and Lab Reliability OEM Precision Factory matched electrode ensures your Oakton microprocessor testers maintain calibration accuracy and measurement
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