Multi-Tork 4-Piece Clamp Socket Value Pack (MT-440) mb3 Use the part number R0487800

Use the part number R0487800 as the primary match point when confirming fit

When the existing cartridge becomes dirty

and this 7

When a heater cycles but will not light

This CMP Hydroseal two-way diverter valve is a strong replacement choice when the original black valve assembly needs a direct-compatible renewal with the same service-friendly union design

Multi-Tork 4-Piece Clamp Socket Value Pack (MT-440) mb3 Use the part number R0487800Multi Tork 4 Piece Clamp Socket Value Pack (MT 440) is a service tool designed to make pool, spa, bath, or equipment maintenance easier and more efficient. It is intended for specific repair or removal tasks where using the proper tool can help reduce frustration, improve grip, and avoid damage to covers, plugs, knobs, fittings, or related service components. This tool is a practical choice for technicians, maintenance teams, or homeowners working on