Tankless water heater is designed for undersink handwashing installation, single faucet use with 3/8 inch compression fittings at top of unit. Top or rear entry electric. Intrgal 1/2GPM flow control and faucet aerator provided. The Eemax "Single Point" Electric Tankless Water Heater can serve one commercial type sink as found in public hand washing areas, modular buildings and offices, strip malls, service stations and concession stands. Applications include: Shopping Malls Office and Tenant Spaces Commercial Buildings (restaurants, etc.) Modular Buildings/Modular Offices Public Hand Washings Service Stations Schools Concession Stands Various "Point-Of-Use" Needs Eemax "Single Point" Electric Tankless Water Heaters Feature: On Demand Hot Water - no delay. Cut Energy Waste - flow switch activates heater only on demand (no standby heat loss). Continuous Hot Water - no storage capacity to run out. Reduces Installation Cost - no T & P relief valve needed (check local codes). Easy Installation - only one cold water line need be brought to lavatory - integral 3/8" compression fittings on top (no sweat connections). Mounts on wall at point-of-use. Flow Restrictor Faucet Aerator - with excellent spray pattern supplied with unit. Prevents Legionella Bacteria Growth Designed for Durability - constructed of high strength reinforced "ENGINEERING PLASTIC" Ni Chrome Element - a unique, patented flow path ensures optimum heat transfer and extended element life. Compact Size - dimensions 10.75"x5.25"x2.125" Reduces Calcification. Space Saving Installation - under sink, point-of-use. Field Serviceable Element - replaceable cartridge element Complies with handicap requirements. * The voltage, amperage, and circuit breaker specifications must be met for this heater to function. Please make sure all requirements are met before purchasing this heater. Manufacturer's start up procedures must be observed.