Valterra Blue Devil 4-Way DPD Test Kit (B7443) is a Valterra Products replacement component for routine water testing. It is intended for pool, spa, or bath equipment applications where part number B7443 match the original part being replaced. This listing is written to make identification easier by keeping the manufacturer, model references, dimensions, colors, voltage ratings, connection style, and part number visible in one place.Use this item when the existing component is worn, damaged, missing, leaking, discolored, corroded, or no longer performing correctly. The right replacement part can help verify pool or spa water balance during regular maintenance while helping avoid unnecessary replacement of larger assemblies. Confirm part number, dimensions, color, and connection style before ordering or installing. When comparing parts, use the part number as the primary reference and review all size, color, finish, and configuration notes shown in the product title. Genuine or direct-fit style replacement listing for Valterra Products equipment applications. Designed for the listed Water Test Kits category and matching pool, spa, or bath systems. Helpful for repairing worn, broken, leaking, or missing components without replacing a full assembly. Review all measurements, connection types, voltage ratings, colors, and model references before ordering. Use the listed part number B7443 to confirm compatibility with existing equipment.
