LF007

Lead Free* Double Check Valve Assembly Backflow Preventers with Freeze Sensor

  • Includes a freeze sensor for use with SentryPlus Alert technology to signal facility personnel when temperature nears and reaches the freezing point, sizes 1/2 to 2 IN
  • Modular, compact design to facilitate assembly and maintenance
  • Pressure sensors on Model IOT to enable monitoring and assessment of assembly performance when activated with an add-on connection kit, sizes 2 1/2 and 3 IN with NRS gate valves
  • Advanced ArmorTek coating technology to resist corrosion of internals, sizes 2 1/2 and 3 IN
  • Lead free* top-mounted test cocks
  • Captured spring assemblies for safety
  • Replaceable seats and seat discs
  • Freeze alerts feature available with add-on connection kit for building management systems (BMS), irrigation management systems (IMS), and Wi-Fi networks

Approval/Certification Information

For product-specific approval information, please refer to the product’s specification sheet (see literature section above) or ask a Watts representative. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:


ASSE CSA FM Approvals NSF
UL ULC USC WQA