S3VT Pro-Series Replacement Drain Master 3″ Valve


Drain Master S3VT Pro-Series Smart Valve  is a starter or replacement to install 1 valve on a holding tank.
Switches and Cables are not included and can be purchased separately as needed to configure the system to your requirement.

S3VT products are upgraded versions of the S2VT family and feature smaller, sleeker molded connectors with easy-route interconnect cables.
(S2VT products will continue to be available for additions and replacements to previously purchased / installed systems)
DM103 provides an S2VT to S3VT Cross Reference

6009-DM10-S3VT includes:

1 Pro-Series S3VT valve
with dual port module, waterproof IP66 rated
Seals, Lube and Hardware


Read Pro-Series Electric Valve Article
S3VT Valve comes with a 5 Year Limited Warranty!


The Smart Sensing Valve Technology features:

• On-board custom, slim profile Electronic controller
• Waterproof IP66 rating
• Small molded style connectors with easy-routing interconnect cables
• Direct to Valve 12VDC Power- lossless regardless of switch to valve distance
• Controller opens or closes valve in under a second
• Push button triggered, no switch press time dependency
• High accuracy solid state sensors and feedback control
• Controller stops motor at precise target position
• Stainless Steel gearing
• Vastly improved reliability and precision
• Lossless reverse polarity protection
• Power-Up sensing – Valve homes to ‘safe’ closed position at power up
• Power-on Green LED indicator
• Protection Seals on 12V power connector and included pigtail
• Expandability – easy to add more Valves and switches
• Adaptable to External controllers and Automation
• RoHS and Lead Free compliant

Tech Data


  • 12 V DC, 3’’ Full flow valve
  • On board Electronics Controller with feedback gate position control
  • High accuracy Semiconductor position sensors
  • IP 66 Compliant – waterproof, sealed electronics
  • Reverse Polarity protected
  • Power-On safe ‘homing’ to closed position
  • Operating time: 0.5 sec Typical at 12 V; 0.75 sec max
  • Sensors provide Red (Open), Green (Closed) LED status to operating switch
  • 2 ports for 2 switches (2nd switch option)
  • Port Interface: Waterproof IP66 connector when mated and secured to male
  • Connector Type: Custom molded, 10 mm OD x 37 mm L, 4 pin female, gold plated contacts
  • Screw-on protective cap (included on unused port if applicable)
  • Compatible with 2 types of switches – for exposed or protected locations
  • Green Power-On LED on the on board controller
  • Back up Active motor safety: Internal timer 0.8-0.85 seconds
  • Voltage range: 10.8 volts – 14.4 Volts. 12 V Nominal
  • 12V power connector pigtail with seal included
  • Stand by current under 50 ma with 2 switch LEDS active
  • Slim profile, under ½”, on-board controller – fits tight spaces
  • Internal gearing: 303 Stainless steel, Swiss made
  • Durable ABS, injection molded Valve Body and Parts
  • Manual Override from both sides of valve with 1/8” Allen key included
  • Easily attached to 3″ ABS male or female bolt-on flange fittings. Mounting HW included
  • Adaptable to most pipe sizes with proper fittings
  • Special Seals Included
  • Lubricant Dow Corning 111 included
  • Optional System master switch to enable/disable system: 12VDC, 20 amp recommended in +12V DC supply line (user supplied item; may also be purchased as an optional accessory from Drain Master)
  • Optional Passive safety: Fast blow fuse recommended in +12 VDC supply line (user supplied item; may also be purchased as an optional accessory from Drain Master)


Pro-Series S3VT Valve Installation

Valve installation involves 3 steps – a) Installing Valve b) Operator switch and wiring c) 12 VDC wiring
Use the links below to S3VT Companion Documents
Follow the instructions to complete the installation process

DM101 S3VT Valve Installation
DM102 S3VT Operating Switch and Cable Installation
DM104 S3VT 12V DC Wiring Diagram

PDF Files open in a new window – view in browser or save for off-line viewing or printing


Application information on Pro-Series S3VT valve can be determined from:
DM103 S3VT Valve Configuration guide

PDF Files open in a new window – view in browser or save for off-line viewing
or printing.