A 6-gallon aluminum tank heater on propane for a straight swap in an RV with the matching cutout.
Amazon $522.85The Dometic WH-6GA and the Suburban SAW6D (5320A) are evenly matched, rated 2.9 and 2.9. The Dometic WH-6GA costs $31.32 less ($522.85 vs $554.17).
Prices were last checked November 4, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
A 6-gallon steel tank heater on propane for a straight swap in an RV with the matching cutout.
Amazon $554.17Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every tank RV water heater; a clear win is highlighted. How we rank explains each one.
| Factor weight | Dometic WH-6GA | Suburban SAW6D (5320A) |
|---|---|---|
| Overall rating | 2.9/5 | 2.9/5 |
| Value 40% | 23 $87.14 per gallon of tank ($522.85, 6 gal) | 17 $92.36 per gallon of tank ($554.17, 6 gal) |
| Hot water output 35% | 50 recovery rate not published (neutral score used) | 91 14.1 gal/h recovery on gas |
| Warranty 25% | 50 2-year warranty | 0 warranty not published, scored as none |
Specifications
| Dometic WH-6GA | Suburban SAW6D (5320A) | |
|---|---|---|
| Heat and water | ||
| Input capacity | 10,000 BTU | 10,000 BTU |
| Tank size | 6 gal | 6 gal |
| Gas recovery | - | 14.1 gal/h |
| Fuel | Propane | Propane |
| Fit | ||
| Weight | 15 lb | 39.9 lb |
| Warranty | ||
| Warranty | 2 years | - |
