SL100XL

Extended Shank Temperature and Pressure Relief Valves

  • All brass body with stainless steel spring
  • Valve provides automatic temperature and pressure protection to hot water storage tanks and water heaters
  • Accurate thermostat with special protective coating
  • Extended shank eliminates need for an extension nipple when used with water heaters that have extra thick insulation

Select options below to identify the UPC, Order Code, and Repair Kit for a specific SL100XL

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