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Grid Controls M-1 Flow Switch Model 1 Liquid Flow Detector
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Details
A simple in-line flow switch that closes a low-voltage circuit once water flow reaches about 14 GPM. It is typically used to keep heaters, chlorinators or other devices off when the pump is not moving water.
- Brand: Grid Controls
- Part number: M-1
- Major Pool Supplies SKU: GRI-M-1-HZ16
Fits / Compatible with
- Pool and spa lines, 1-1/2 in. PVC slip
- Replaces 391944 and 5-20-0001-C
Also known as / replaces: Grid Controls M-1 (57-F4-1000-WHT).
Specifications
- Low-voltage, 1 A contacts
- Needs about 14 GPM; horizontal mounting only
Not sure it fits? Check the part number against your equipment's parts diagram, or ask the Major Pool Supplies team.
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