Lirlee Instant Tankless Water Heater with Pump Elegant white and comes with a telephone shower only. Best for fresh and salty water – all types of water It has an inbuilt pump with a dial to make your baths even more pleasurable. Lirlee Instant Water Heater with in-built pump. Get brand new units of the Lirlee instant water heater with an in-built pump. This tankless water heater is the best in handling extremely salty water since it has a copper coil heating element that cannot rust. In fresh water it also works perfectly and for so many years. It has a stylish telephone shower which acts as the showerhead and you can either fix it on its stand or move it around to even clean your back. Don’t forget you can still add a rain shower accessory on the side to have the overhead rainshower set-up.