This Webstone EXP Ultra-Compact tankless water heater service valve kitGo to product viewer dialog for this item. provides a professional-grade solution for isolating tankless water heaters for maintenance or cleaning. The kit includes a hot and cold set of full-port forged brass ball valves with 3/4-inch hose drains and a pressure relief valve outlet. Its ultra-compact design installs in under 4 inches of space, replacing up to 13 components and eliminating 12 potential leak paths. The valves feature color-coded compact lever handles and are constructed from lead-free brass for residential and commercial plumbing compliance

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