Skip to Main Content

HydroGuard e420

HydroGuard series e420 combination T/P tempering valves

  • Powerful advanced thermal actuator compensates for both temperature and pressure fluctuations
  • Stainless steel faceplate and ADA compliant lever handle
  • Constructed for trouble-free service in the most demanding installations
  • Built-in adjustable temperature limit stop reduces chances of accidental scalding due to overadjustment of handle

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific HydroGuard e420

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