The radiator cap is designed with a water temperature gauge, which indicates whether the temperature is safe to open the radiator cap. Installation is simple. Simply remove the old cap and screw on the new one.

 Features
Made of billet aluminum material, sturdy and durable.
Radiator cap combined with a thermometer.
Measure the coolant temperature to determine if it is safe to open the radiator cap.
Silicone seal for better adaptability.

Direct bolt-on installation.

Description

Radiator cap with water temperature gauge is not only to prevent water leakage from the water tank, a greater role is to regulate the pressure balance of the water tank, to maintain the water level balance of the water tank; with the increase in water temperature, the cooling water begins to expand, once more than the pressure relief value, the spring on the radiator cap that is open, the cooling water will flow to the water tank water separator kettle to store; on the other hand the water temperature is lowered, the volume of the water becomes smaller, the water tank inside the formation of a vacuum, at this time, the tank cap also On the other hand, the water temperature decreases, the volume of water becomes smaller, and a vacuum is formed inside the tank, at this time, the tank cover will also be opened to pump out the water in the sub-pot, and at this time, the tank cover will also be opened to suck the water in the sub-pot back to the tank to keep the water level in balance.

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