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​Marine Water Heaters Johnson

Stainless steel water heaters with dual heating as standard - electrical heating and indirect heating based on an second heat source, for example based on the cooling system from the Marine engine or generator set. 

AquaH is an innovative series of AISI 316 stainless steel water heaters. with a storage capacity of 22 up to 80 litres (5.3 to 19.3 gal.). 

The heaters are cased in AISI 304 stainless steel and are provided with a compact plastic end cover which also includes the mounting brackets. 

Electrical heating elements are available in lncoloy at 500 & 1200 Watts allowing hot water production when engine heat is not available but when 230 volts AC is. 
​
Delivered with an adjustable safety thermostat for temperature adjustment while on electrical heating.
Picture
Order No. Description
56-47455-01 AquaH Marine Water Heater 1200W / 22L 220V
56-47455-03 AquaH Marine Water Heater 500W / 22L 220V
56-47456-01 AquaH Marine Water Heater 1200W / 30L 220V
56-47456-03 AquaH Marine Water Heater 500W / 30L 220V
56-47457-01 AquaH Marine Water Heater 1200W / 45L 220V
56-47457-03 AquaH Marine Water Heater 500W / 45L 220V
56-47458-01 AquaH Marine Water Heater 1200W / 60L 220V
56-47458-03 AquaH Marine Water Heater 500W / 60L 220V
56-47459-01 AquaH Marine Water Heater 1200W / 80L 220V
56-47459-03 AquaH Marine Water Heater 500W / 80L 220V
Picture
Order Code Electrical supply Storage capacity Weight empty A   BCD   E F
  w It (gallons) kg (lbs) mm in mm in mm in mm in mm in mm in
56-47455-01 1200 22 (5.81) 10 (22) 322 12.7" 290 11.4" 235 9.25" 325 12.8" 410 16.1" 485 19.1"
56-47455-03 500
56-47456-01 1200 30 (7.93) 11,5 (25.4) 322 12.7" 290 11.4" 370 14.6" 32512.8" 545 21.5" 620 24.4"
56-47456-03 500
56-47457-01 1200 45(11.9) 15(33.1) 322 12.7" 290 11.4" 625 24.6" 325 12.8" 805 31.7" 880 34.6"
56-47457-03 500
56-47458-01 1200 60(15.9) 17,3(38.1) 322 12.7" 290 11.4" 810 31.9" 325 12.8" 990 39" 1065 41.9"
56-47458-03 500
56-47459-01 1200 80 (21.1) 20 (44.1) 322 12.7" 290 11.4" 1090 42.9" 325 12.8" 1270 50" 1345 53"
56-47459-03 500
Picture
Heating time (mins) from initial Temperature 15C

Electrical supply Storage capacity Water temperature in °C (°F)
Order no Watts Iitres
(gallons)
20
(68)
25
(77)
30
(86)
35
(95)
40
(104)
45
(113)
50
(122)
55
(131)
56-47455-01 1200 22 (5.81) 6 12 19 25 31 38 44 51
56-47456-01 1200 30 (7.93) 8 17 26 34 43 52 61 69
56-47457-01 1200 45 (11.9) 13 26 39 52 65 78 91 104
56-47458-01 1200 60 (15.9) 17 34 52 69 87 104 122 139
56-47459-01 1200 80 (21.1) 23 46 69 93 116 139 162 186
   
Electrical supply Storage capacity Water temperature in °C (°F)
Order no Watts It (gallons) 20
(68)
25
(77)
30
(86)
35
(95)
40
(104)
45
(113)
50
(122)
55
(131)
56-47455-03 500 22 (5.81) 15 30 46 61 76 92 107 122
56-47456-03 500 30 (7.93) 20 41 62 83 104 125 146 167
56-47457-03 500 45 (11.9) 31 62 94 125 156 188 219 251
56-47458-03 500 60 (15.9) 41 83 125 167 209 251 293 334
56-47459-03 500 80 (21.1) 55 111 167 223 279 334 390 446
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