Johnson Pump 56-47459-04 AquaH Marine Water Heater 500W, 20 Gallon

The 56-47459-04 AquaH Marine Water Heater 500W, 20 Gallon by Johnson Pump. These heaters are cased in AISI 304 stainless steel with a sturdy compact plastic end cover, including the mounting brackets. Delivered with an adjustable safety thermostat for temperature adjustment while on electrical heating. Features: Internal surface made of AISI 316L stainless steel Heat insulation polyurethane foam Safety and non return valve set at 6 Bar +/- 0,5 Bar Engine ware fittings 1/2" BSP Electrical heating elements are available in Incoloy at 500W and 1200W allowing hot water production when engine heat is not available but when 230V is. Limited 5 Year Warranty 120 V 20 Gallon