A. O. Smith AO Smith #100291509

the best system to protect tankless water heaters because it prevents scale buildup The filter promotes formation of inactive scale crystals which flow through the water heater without sticking to the heat exchanger. It may also reduce scaling on other downstream appliances and fixtures like a dishwasher or faucet The filter does not add chemicals to the water or require electricity It is virtually maintenance free, only requiring a simple filter change every two years

View full description