Tecmark Vacuum Switch [Cal Spas] [Replaces V4001P-DX] (V4003P-DX) cords An LC cord helps route

An LC cord helps route compatible low-current single-speed outputs to supported spa components

Union design supports easier removal and service

The plastic construction and threaded style make it a practical direct replacement where that combination is required by the original setup

A dedicated water level control can help protect system consistency while making routine pool care easier to manage

Tecmark Vacuum Switch [Cal Spas] [Replaces V4001P-DX] (V4003P-DX) cords An LC cord helps routeThe 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