Check the listing for details. Eemax Electric Residential Tankless Water Heater 240V 36 kW HA036240. Color: Silver, Condition: Used. Listed at 499.99 USD. Eemax Electric Residential Tankless Water Heater 240V 36 kW HA036240 Shows signs of installation. Slight scratches on outside. Has not been tested. On demand hot water - no delayCut energy waste - Flow switch activates heater only when water is running, no standby heat loss99% Efficient, .99 energy factorEndless hot water - No storage capacity to depleteReduces installation cost and material - No T&P valve required (check local codes)Adjustable temperature display from 80 to 140 degreesEasy Installation - Simple NPT fittings that require no soldering. Unit mounts directly to the wall with common hardware.Prevents Legionella bacteria growthReduces calcification and sedimentationField Serviceable - All major component are field replaceable and readily availableCopper heating elements with brass termination to increase durability; threaded for easy replacement Shows signs of installation. Slight scratches on outside. Has not been tested.