Member of Morris Group International
Lead-Free Thermostatic Mixing Valve
MXT15-OTG is a chrome-plated, lead-free brass thermostatic mixing valve that can deliver tempered water from 0.5 to 15 gallons (1.9 to 57 liters) per minute and is recommended for use with Whitehall Whirlpools.
If you intend to use the mixing valve with more than one tank, please contact us for the additional parts needed.
Valve Specifications Maximum Operating Pressure 125 PSI (862 kPa) Maximum Hot Supply Temperature | 180°F (82°C) Minimum Hot Supply Temperature | 10°F (6°C) above set point Maximum Temperature Range | 110°F (43°C) Flow Rate | 15 gallons (57 liters) per minute Min Flow | 0.5 gallon (1.9 liters) per minute Connections | 1/2"" NPT male
The valve is compliant to ASSE 1070, ASSE 1069 and is CSA B125.3 listed. 
Downloads
Resource Type | Title | Description | File Size | Action | |
|---|---|---|---|---|---|
 | | Manual for MXT15-OTG valve | 1 MB | ||
| | Lead-Free Thermostatic Mixing Valve for Hydrotherapy Tanks | 393 KB | ||
| | Whitehall Mfg: 2026 Whirlpools and Sports Equipment List Price Guide - L1001721.pdf Effective: Jan 15, 2026 | 1 MB |