3 Way DN20 Male Thread Brass Thermostatic Mixing Valve For Solar Water Heater HE | eBay
MYG G1/2 3-Way Thermostatic Mixing Valve, Solar Energy Brass Thermostatic Water Mixing Valve, Water Temperature Control Mixer Valve, Pipe Basin Thermostat Control for Bathroom, Solid Brass (B) - Walmart.ca
324 | Three-way mixing valve with thermostatic capillary remote sensor - Setting range 60-90°C | Icma S.p.a.
The Do's And Don'ts Of Three-Way Thermostatic Valves<br>John Siegenthaler, PE | Plumbing & Mechanical