Zodiac Ray-Vac/DM Hose Filter Screen Case (R0377400) heaters and this Balboa VS501Z Spa

and this Balboa VS501Z Spa Control System is designed for compatible 4

This type of part is especially useful when the main filter structure remains serviceable and the need is centered on renewing one worn grid

Useful when original latches are cracked or worn

or pump rebuilds

A low-flow heater is useful because it supports systems built around reduced flow rates while still delivering dependable heat in a format matched to the supported plumbing and equipment layout

Zodiac Ray-Vac/DM Hose Filter Screen Case (R0377400) heaters and this Balboa VS501Z SpaFor maintenance teams working on compatible Ray Vac DM equipment, Zodiac Ray Vac DM Hose Filter Screen Case is a practical service part selected by model, function, and part number. It supports Ray Vac or DM pressure cleaner service by replacing a targeted hose, screen, gauge, guard, timer, or swivel component. Use it when the cleaner shows poor movement, debris blockage, leaking hose sections, inaccurate pressure feedback, or worn protective