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How to adjust a Grohe safety shower valve

Updated July 20, 2017

Grohe produces a large line of shower and bathroom assemblies such as showers, taps, baths and toilets. All Grohe taps use an integrated cartridge system that prevents the tap or shower from giving water from a single hot or cold line. This internal temperature management system prevents users from being burnt by the hot water, which is often in excess of 37.8 degrees Celsius (100 degrees Fahrenheit). Grohe also produces a line of safety shower attachments designed to prevent children from burning themselves in the bath.

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Press in the safety lock located at the top of the hot water safety valve. The safety lock, if installed properly, is behind the actual hot water handle and flush against the wall. The safety lock must be depressed to move the safety valve.

Turn the circular dial of the safety valve clockwise to increase the temperature of the water. The safety valve, when attached, can only turn half way to the right (clockwise), effectively limiting the temperature to 90 per cent of what your pipes are capable of without the safety valve.

Turn the circular dial to the left (counterclockwise) to activate the safety valve and reduce the maximum temperature the tap can produce. This in effect limits the amount of hot water that is mixed with cold water. You will always get a certain amount of cold water even if the cold water handle is in the "off" position.

Tip

The latest Grohe shower taps, such as the Grohtherm 3000+, feature a digital temperature valve. Input the maximum safe temperature for your tap that is password protected (simple 4-digit password, default 0000). Raise the temperature by pressing the red flame button, or lower the temperature by using the blue cold button.

Warning

Hot water can be extremely dangerous, especially to small children. Do not disable the safety device or leave young children unattended in the bath, or serious burns can result.

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About the Author

Anthony Markesino is a freelance writer and senior editor for UGO Entertainment, specializing in the video game industry and MMO's. He also has several design credits on such prominent games as the new Wolfenstein, as well as Rogue Warrior and the Fear series.

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