1. Different appearance colors：The cold water meter is blue, and the hot water meter is red.
2. The scope of application is different：The cold water meter is used for cold water and refers to a water meter with a medium lower limit temperature of 0°C and an upper limit temperature of 30°C. The hot water meter is used for hot water, which means that the lower limit temperature of the medium is 30°C and the upper limit is 100°C.
3. The degree of heat resistance is different：The hot water meter can run cold water, but the cold water meter cannot run hot water. The heat resistance of the hot water meter is generally 100 degrees, and some can even reach 200 degrees, and the cold water meter can reach up to 30 degrees.
4. The hot water meter is used for hot water, mostly used for ordinary household water meters：Water meter is a statutory instrument for cumulative measurement necessary for every household and industry. WESDOM water meter is committed to providing high-quality, cost-effective products, and has been favored by many buyers and intermediaries at home and abroad. If you have any questions, please feel free to consult us .
