Tecmark Vacuum Switch [Cal Spas] [Replaces V4001P-DX] (V4003P-DX) waterlevelers Supports cleaner replacement fit in

Supports cleaner replacement fit in single-pump systems

The white finish helps the visible side of the repair stay bright and easy to blend into many spa interiors

That approach often improves both confidence and overall service quality

The Hayward exhaust-side gasket kit is designed for compatible Low NOx heater applications where the sealing components on the exhaust side need renewal

and extend the service life of internal filter components

Tecmark Vacuum Switch [Cal Spas] [Replaces V4001P-DX] (V4003P-DX) waterlevelers Supports cleaner replacement fit inThe Tecmark vacuum switch is designed for compatible Cal Spas applications and serves as a replacement for V4001P DX. Vacuum switches are useful because they help the system respond appropriately to vacuum conditions that are part of normal operating or protection logic. This replacement is especially useful when the original switch is no longer sensing vacuum correctly, becomes intermittent, or has failed entirely. Using the designated replacement