It is a logger that measures the operating hours of an apartment.
It starts the burner and the circulator.
It has a non-overheating system of the boiler from the hot water, with the characteristic that the last solenoid valve remains open, after closing the last room thermostat.
Remove residue chlorine byproducts, dust, rust, pesticides, and chemicals affecting the taste and odor of water.
It has its own faucet offers high qu..