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Zurn ZW3870XLT Spec Sheet
3/8 inch Compression Thermostatic Mixing Valve, No Lead
Product Overview
Ensure safety and compliance at the point of use with the Zurn Wilkins ZW3870XLT Aqua-Gard® Thermostatic Mixing Valve. Constructed from Low Lead Cast Bronze with a Chrome Plated body and featuring 3/8" compression fittings, this ASSE 1070 listed valve provides precise temperature control (95-115°F) with a rapid response time, protecting against scalding even with ultra-low flow fixtures. Download the comprehensive spec sheet and shop drawings for easy project submittal, ensuring your installations meet the highest standards.
Key Features
- Point-of-use scald prevention for sinks and sensor faucets
- Rapid response and precise temperature control (95-115°F outlet range, +/- 3°F accuracy)
- 3/8" compression fittings ideal for residential and commercial applications
- Compatible with ultra low flow faucet aerators (0.06 GPM minimum flow rating)
- Chrome Plated Low Lead Cast Bronze body with integral check valves and strainer screens
Technical Specs
ModelZW3870XLT
MaterialLow Lead Cast Bronze body (Chrome Plated), Low Lead Brass internals, Polysulfone Piston, 300 Series Stainless Steel Spring
Flow Rate0.06 GPM (minimum) to 3.10 GPM (at 45 psi pressure loss)
CertificationsASSE® Listed 1070, cUPC® Listed, CSA® Certified B125.70, NSF/ANSI/CAN 61-1 Q≤1 (Lead Free*)
Connection Size3/8 inch
Port Configuration3 Port (1 Hot in, 1 Cold in, 1 Mixed out)
Max. Working Pressure145 psi
Hot Supply Temperature120-195°F max. (49-90.5°C)
Cold Supply Temperature40-75°F (4.4-23.8°C)
Outlet Temperature Range95-115°F (35-46°C)
Max. Pressure Differential15 psi (between Hot & Cold inlets)
About This Spec
Last Verified
April 26, 2026
Status
Verified (1x confirmed)