The Eccotemp EM-4.0 is a point of use mini-tank water heater with a tank capacity of 4 gallons that is designed to supply on demand hot water to any faucet without the wait. Its compact and lightweight design allows the EM-4.0 to be perfect for residential, commercial and industrial use and can supply hot water for 2 or more sinks or be plumbed in series with your existing hot water system to ensure instant hot water whenever you need it. Equipped with easy and accessible temperature controls and a minimal recovery time of 20 minutes, this model is designed to operate at a maximum of 150 psi water pressure. Easy installation allows for the unit to be mounted on a wall or left freestanding and plugs into a standard 110/120v outlet.