LFP3

Lead Free* Multi-Orifice Flow Control Valves for Tankless Heaters

  • For use in hydronic heating systems
  • Limits the flow of water to equipment in tankless heater installations
  • Select a flow adjustment of 2 1/2, 3, 3 1/2, or 4 gpm by turning the cap to the desired setting
  • Multi-orifice cylinder design with solder connections

Select options below to identify the UPC, Order Code, and Repair Kit for a specific LFP3

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