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HydroGuard LFLM490

HydroGuard Lead Free* series LFLM490 thermostatic tempering valves for hot water heater installations

  • Available in several sizes and connection types
  • Adjustable temperature selection can be locked in for added protection
  • Integral checks and screen prevents cross-flow and contamination
  • Ideal for hot water heaters with a flow rate up to 23 gallons per minute

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific HydroGuard LFLM490

Approval/Certification Information

For product-specific approval information, please refer to the product’s specification sheet 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