Home Cyber Monday Amazon Deal of the Day: Ecosmart ECO 27 Electric Tankless Water Heater... Cyber Monday Amazon Deal of the Day: Ecosmart ECO 27 Electric Tankless Water Heater $334.85 By ARCOM - 2 December 2018 164 0 SHARE Facebook Twitter Go to the deal page: Amazon Deal of the Day: Ecosmart ECO 27 Electric Tankless Water Heater $334.85