This part is a Vacuum Switch that can be found on the Safety Suction Systems on some Cal Spa brand tubs and others..
For a less expensive switch that will work in place of this one click this link:...
Series 3000 Pressure SwitchThis switch is found in many spa applications where a durable switch is required. It is rated at 25 amps and is available in a variety of mounting stylesStainless pan...
This part is a Series 4000 Pressure Switch, 25A, Tecmark, 1/8"mpt, SPDT, Plastic..
The number on your original switch would be 4015P..
Manufacturer
Tridelta/Te
This part is a Vacuum Switch like you will find on some Cal Spas in the suction side of the pump.
Specs V4001P-DX Replacement, 21A, 1/8"mpt.
For a switch like the original click this link:
Tinytrol™ Air SensorProvide the same powerful switching action in a small package as found in larger air switches. Available in single pole or a very sensitive patented double pole designSPDT21...
"You are buying a Techmark 4000 Series 25Amp Pressure Switch with a Plastic Bottom and top that features 1/8th"" MPT Standard Threads and 2 Spade connectors for attaching the 2 wire connections. This...
This is a Plug 1" x 1/8" mpt, Spigot, Street, Glues inside of 1" Fitting and Accepts 1/8 Mpt Pressure Switch.. It is used to plug off a 1" port which measures 1 5/16" ID on a manifold or other...
Series 3000 Pressure SwitchThis switch is found in many spa applications where a durable switch is required. It is rated at 25 amps and is available in a variety of mounting stylesStailness pan...
You are buying a Techmark 4000 Series 25Amp Pressure Switch with a Plastic Bottom and top that features 1/8th" MPT Standard Threads and 2 Spade connectors for attaching the 2 wire connections. This...