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 residential plumbing, commericial plumbing, heating systems. Refer to specification sheets for additional technical information. All Webstone products are backed by a limited lifetime warranty.

Webstone The Isolator® E-X-P® E2 Clean Brass® Water Heater Service Valve Kit, Tankless, Series: 8444W, Specifications: 3/4 in Press, For Use With: Wall Hung and Combi Boiler, Brass, Import

• 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
• Saves 108 minutes
• Replaces 14 components
• Eliminates 12 leak paths
• This valve is actuated by a blowout-proof stem

• Catalog https://www.hirsch.com//ASSETS/DOCUMENTS/ITEMS/EN/Nibco_74003_Catalog.pdf
• Instruction/Installation Manual https://www.hirsch.com//ASSETS/DOCUMENTS/ITEMS/EN/Webstone_H85443WPR_Manual.pdf
• Specification Sheet https://www.hirsch.com//ASSETS/DOCUMENTS/ITEMS/EN/Nibco_84443WPR2_Specification_Sheet.pdf
• Warranty Information https://www.hirsch.com//ASSETS/DOCUMENTS/ITEMS/EN/Webstone_H50624W_Warranty.pdf