Tecmark TDI 3428 Low Profile Button [Plated Chrome] (MPT-57570-3428) horizonventures A bypass valve is useful

A bypass valve is useful because it helps regulate how water moves through the heater

That helps restore manual flow control with a direct-fit replacement

A focused hardware replacement like this is especially useful when the surrounding return fitting or skimmer-related components remain serviceable and the weakness is isolated to the screws themselves

helping simplify repairs and support dependable operation

Tecmark TDI 3428 Low Profile Button [Plated Chrome] (MPT-57570-3428) horizonventures A bypass valve is usefulThe Tecmark TDI 3428 low profile button in plated chrome is designed for compatible pneumatic control applications where a brighter metallic finish is preferred. Low profile buttons are useful because they combine a slimmer overall look with a finished user control point that can better match plated trim and hardware. This replacement is especially useful when the original button is worn, discolored, damaged, or no longer visually consistent with the