EXP Tankless Water Heater Service Valves are the preferred choice for isolating any tankless water heater. These valves provide quicker consistent quality installations, with fewer leakpaths and simplify future maintenance. Designed for use with water, oil, glycol mix in residential or commercial plumbing and heating systems. Refer to specification sheets for additional technical information. All Webstone products are backed by a limited lifetime warranty.

• Quicker, Consistent Quality Installations
• Fewer Leak Paths
• Color-coded Drain Handles
• Allows for Easy Cleaning or Flushing of System
• Allows for One Person Diagnostic Testing
• Also for Use with Wall Hung and Combi Boiler
• Saves 108 Minutes
• Replaces 14 Components
• Eliminates 12 Leak Paths
• Ball valve with integral spring check saves labor, space, and leak paths