NEW! NMEA 2000 Certified.
AutoSig® N2K
Primary fuel filter/water separator
  • NMEA 2000 Network Plug & play.
  • Water-in-fuel alerts sent to your
    multi-function display (MFD).
  • Compatible with all multi-function displays.
  • ABYC H-24 Fire Test Certified – Mount anywhere.
  • Electronics in stainless steel head – No extras to purchase.
  • Save space – No special cabinet needed.
  • Gasoline or diesel fuel systems.
featured at IBEX 2019
  • NEW! AutoSig® N2K - Shows alerts on your MFD
  • Plugs into the NMEA 2000 Network
  • For Recreational & Commercial Marine industry
AutoSig Marine
  • Medium-Duty Fuel Filter / Water Separator
  • For Recreational vehicle industry
  • WIF Sensor System
AutoSig RV
  • Heavy-Duty Fuel Filter / Water Separator
  • For Commercial Vehicles
  • WIF Sensor System
AutoSig Truck

Call Signal Filters today 419.433.7683

Engineered Solutions for Smart Sensors and Fuel Filters.

Signal Filters

depth of experience, innovative thinking, and manufacturing skills has allowed us to design and build dependable sensors for on-highway, off-highway, stationary and marine applications. The majority of our sensor and controller assemblies are custom designed for our customer's needs. OEM manufacturers have relied on the consistent quality of our sensor technology for over 35 years. We partner with customers' engineers to help design and build dependable sensor solutions including water-in-fuel sensors and low coolant sensors. Signal Filter sensors are made and assembled in Sandusky Ohio about 1 hour west of Cleveland Ohio.
AutoSig® Is a registered trademark of and manufactured by Entratech Systems LLC |