The tank booster mixing valve mixes both hot and cold water which increases the tank s water capacity.
Tank booster water heater.
The tank booster is a thermostatic mixing valve that mixes hot and cold water together to deliver the desired output temperature.
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While the water within the tank is incredibly hot the tank booster outputs are all set at 120 f 49 c.
After installing turn the set temperature on your water heater up from 120 f to 140 f.
The tank booster then mixes cold water back in to reduce the temperature down to a safe 120 f.