About this maintenance/tool
The Tecmark V4003P-DX is a heavy-duty SPDT vacuum switch designed for spa chemical feed systems and automatic dosing equipment. This 25-amp rated switch provides reliable on/off control for pumps, valves, and other chemical system components in residential and commercial hot tubs.
Built to industrial standards, this vacuum switch handles up to 300 watts and features single-pole, double-throw switching for precise chemical system automation. At Bubbles Supply, we guarantee this is the exact replacement part for your Tecmark system, backed by our 1-year warranty and same-day shipping on orders placed before 2 PM EST. Verify your existing switch amperage and mounting configuration before installation to ensure proper chemical system operation.
