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SW12D Suburban Water Heater Direct Spark DSI 12 Gallon 5246A

SW12D Suburban Water Heater Direct Spark DSI 12 Gallon 5246A

Regular price $853.00 AUD
Regular price $1,066.00 AUD Sale price $853.00 AUD
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The Suburban SW12D Gas Water Heater provides reliable service and easy maintenance. This high-recovery 12,000 BTU/hour model features a porcelain steel tank, foam insulation, large diameter drain, and replaceable anode rod to absorb corrosive electrolysis action. The one-piece, die-formed housing protects controls and connections yet offers easy access. Fits cut-out openings of prior models. Access door and frame are easily installed on any type RV side. Door/Frame are sold separately.

This unit uses 12V to ignite the unit but does connect to shore power for use. It runs exclusively on LP Gas.

The water heater gas ignition is controlled by a switch mounted on the inside of your RV. You can use prior installed switches as well in most cases. Suburban switches are available on our site as well.

Model Name Breakdown

  • SW - Suburban Water Heater
  • 12 - 12 Gallon
  • D - 12 Volt DC Direct Spark Ignition Gas Heating System


Product Height: 16.22"
Product Width: 16.22"
Product Depth: 22.5"
Capacity: 12 Gallons
BTU Level: 12,000
Power: 12V for ignition only
Recovery Rate - Gas: 10.1 gallons/hour
Installed Weight (dry): 48 pounds

Comes with our 1-Year parts warranty.
A door is recommended but not required in all circumstances.

There are 2 types of Suburban 12-Gallon White Doors:
Flush Mount 6259APW/6259AEB (White/Black)

Suburban SW10D, SW12D, SW16D, SW10P, SW12P, SW16P
Dometic/Atwood 10+ Gallon Water Heaters with DSI ignition 
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Customer Reviews

Based on 1 review
David Huffman
Suburban sw12d water heater

Had a question and the response was very quick, on a Sunday.