APOLLO Radiant Mixing ValveRadiant Mixing Valve Thermostatic mixing valve for hydronic radiant heating systems, designed to maintain a more stable supply water temperature. Key Benefits Improves temperature stability for radiant heating applications Helps prevent overheating at the radiant loop Adjustable setpoint 68F 131F for 1" model Fixed setpoint 105F for 1 1 4" to 4" size Supports energy efficient operation through controlled mixing Corrosion resistant brass body for long