Wilkins 34-ZW1017XL2PEX1C | 3/4" Aqua-Gard Thermostatic Mixing Valve, Lead Free BronzeThe Wilkins 34 ZW1017XL2PEX1C thermostatic mixing valve installs at the potable water heat source to mix hot and cold water, reducing temperature to 122F or less. Key Specifications: Size: 3 4 Inches Maximum Working Water Pressure: 145 psi Temperature Range: 95F to 131F Notable Certifications: ASSE 1017, CSA Connection Type: PEX Barb NOTICE: Do not use with water that is unsafe or of unknown quality without adequate disinfection either before or after