The best answer is C. boiler, as mixing valves control the temperature of water supplied to boilers. These valves mix hot and cold water to maintain a safe temperature for optimal operation. Proper temperature regulation prevents system damage and enhances efficiency. ;
The best answer is C. boiler, as mixing valves control the temperature of water supplied to boilers, ensuring safe and efficient operation. Mixing valves blend hot and cold water to maintain the correct temperature, preventing overheating and ensuring the boiler performs effectively. They are crucial in protecting the system and improving its efficiency.
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