OEM Components Commonly Used on SW12DE and SW12DEL Water Heaters

Filter:

Price
The highest price is $99.99 Reset
$
$
Product Category
0 selected Reset
Manufacturer
0 selected Reset

14 products

Suburban 525023 Metal Water Heater Burner Tube - Side Profile | United RV Parts
$29.99 $39.99
Suburban | Water Heater Burner Tube | 525023
Save $10.00 Ships Next Day-order by 1:00CT(M-F)

The Suburban SW12DE and SW12DEL are 12-gallon gas-electric RV water heaters with Direct Spark Ignition, commonly found in larger travel trailers and fifth wheels where higher hot water capacity is a priority. The SW12DEL is the low-profile version of the SW12DE and shares many of the same components, though some parts differ between the two, so confirming your exact model number before ordering is important. Our collection covers the OEM components that see the most wear on these units, including thermostats, heating elements, anode rods, electrode assemblies, ECO limit switches, and burner parts.

Which parts in this collection fit the Suburban SW12DE and SW12DEL water heaters?

Every component on this page is sourced as OEM or OEM-equivalent for the 12-gallon Suburban SW12DE (Direct Spark Ignition) and SW12DEL (Direct Spark Ignition with Electric element) models. You'll find heating elements, thermostats, gas valves, circuit boards, anode rods, and burner assemblies. Confirm your model number on the data plate inside the access door before ordering, since the SW12DE and SW12DEL share many parts with the smaller SW6DE and SW10DE units but not all. If you have a 10-gallon Suburban instead, see our 10 gallon RV water heater parts.

What heating element do I need for an SW12DEL?

The SW12DEL uses a 120V AC, 1440-watt screw-in heating element with a 1" NPT thread, the same element specified across most Suburban DEL-series tanks. It threads into the front of the tank below the gas burner opening. Drain the tank and shut off both the 120V breaker and LP supply before removal. The matching high-limit thermostat and ECO cutoff are also stocked in this collection if you're replacing the element after a dry-fire event.

How often should I replace the anode rod on a 12-gallon Suburban water heater?

Suburban steel tanks rely on a magnesium or aluminum anode rod to absorb corrosion, and most owners replace it once per season or whenever the rod is consumed past roughly 75%. Inspect it during your annual flush. A spent anode is the most common cause of premature tank failure on SW12DE and SW12DEL units. Pair the rod swap with fresh Teflon tape and a tank flush wand. For off-season storage, see our RV winterizing kits to protect the tank from freeze damage.

Do orders ship free, and how fast will my parts arrive?

Orders over $100 ship free within the contiguous US, and most small electrical components in this collection (boards, elements, thermostats, gas valves) leave the warehouse within one business day via ground service. Need help confirming the right part for your SW12DE or SW12DEL? Text or call our team at 817-984-1852 with your model and serial number.