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SKU #: NRA1007

HM Digital Meters FMS-1 Water Flow Switch Relay Control

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HM Digital Meters FMS-1 Water Flow Switch Relay Control


  • Water filtration monitor
  • Tube connection diameter: 1/4'' quick connect fittings
  • Cable connector: modular (phone jack style)
  • Minimum activating flow rate: 0.3 lpm (0.08 gpm)
  • Maximum pressure: 150 psi
  • Material (touches water): Polycarbonate
  • Collet material: produced in acetal copolymer with stainless steel teeth
  • Cable length: 93 cm (36.6 in)
Show Additional Info


  • Overall: 6" H x 3" W

HM Digital Meters FMS-1 Water Flow Switch Relay Control

Weights & Dimensions

  • Overall: 6" H x 3" W
  • Cartridge Filter Height: 0.75"
  • Cartridge Filter Diameter: 2.25"


Filter Component: Installation accessoriesFittings Included: Yes
  • Fitting Type: Quick connect
Feed Water Pressure (PSI): 150 

About the Manufacturer

Established in 1987, HM Digital, Inc. (formerly known as Heemang Electronics) is an original equipment manufacturer (OEM) that has been recognized worldwide for providing the best values in water testing instrumentation, especially the increasingly popular TDS meter. Their products are co-designed between their Los Angeles office and their ISO-9001-certified factory in Seoul, Korea, producing high quality water testing and monitoring equipment for all types of water treatment and purification systems, including reverse osmosis (RO), that are sold in over 50 countries throughout the world. They also offer OEM services for customized products and private labeling.

HM Digital Meters FMS-1 Water Flow Switch Relay Control


“Hi, does this product have a system to track the total volume of water that passes through it?” asked by Rick

"Hello Rick, this item does have a sensor that counts the total volume of water that passes through it." Troy from Wayfair

Still have questions about this product? We're here to help

When you buy a HM Digital Meters FMS-1 Water Flow Switch Relay Control online from Wayfair, we make it as easy as possible for you to find out when your product will be delivered. You can check on a delivery estimate for the HM Digital Meters Part #: FMS-1 here. If you have any questions about your purchase or any other Water Filtration product for sale our customer service representatives are available to help.Whether you just want to buy a HM Digital Meters FMS-1 Water Flow Switch Relay Control or shop for your entire home, Wayfair has a zillion things home.
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FMS-1 Water Flow Switch Relay Control is also sometimes listed under the following manufacturer numbers: FMS-1