Name: Suburban SW6D (5238A)
Brand: Suburban
Price: 439.99 USD

3.1/5#7 of 21 in tank RV water heaters
3.1

A 6-gallon steel tank heater on propane for a straight swap in an RV with the matching cutout.

Price checked November 4, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros

Porcelain-lined steel tank with a replaceable anode rod that doubles as the drain
Propane only, with nothing to wire for shore power
6-gallon size fits the common RV cutout

Cons

The Suburban SW family

Every Suburban SW model we rank, smallest first. Ratings compare each against its own type.

Model	Input	Rating	Price
Suburban SW6D (5238A) (this one)	12,000 BTU	3.1/5	$439.99
Suburban SW6DE (5239A)	12,000 BTU	2.9/5	$499.99
Suburban SW6DEL (5240A)	12,000 BTU	3.0/5	$479.99
Suburban SW10D (5242A)	12,000 BTU	3.4/5	$591.09
Suburban SW10DE (5243A)	12,000 BTU	3.4/5	$594.99
Suburban SW10DEL (5244A)	12,000 BTU	3.3/5	$639.99
Suburban SW12DE (5247A)	12,000 BTU	3.5/5	$690.92
Suburban SW12DEL (5248A)	12,000 BTU	3.5/5	$669.90

How it scores

The rating comes from 3 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.

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