This is a pressure-based water flow "switch." The switch is a simple relay control to turn a device on or off if water is flowing or not. The FMS-1 is an included part with the FM-1, but is also sold separately.
Tube connection diameter: 1/4" quick-connect fittings
Cable length: 93 cm (36.6 in)
Dimenions: 19 mm dia. x 64 mm long
Cable connector: modular (phone jack style)
Minimum activating flow rate: 0.3 liters/minute (0.08 gallons/minute)
Maximum pressure: 150 psi
Inner material (touches water): polycarbonate
- Collet material: produced in acetal copolymer with stainless steel teeth
- Note: Since this switch is pressure-based, when the water is not flowing, there can only be a maximum amount of pressure to allow the contacts to open.
- Electrical characteristics available upon request (with purchase).