A bargain outdoor whole home heater for mild climates, best for buyers comfortable with a short warranty.
Amazon $559.99 Amazon $599.99The Camplux WA686M is the better tankless water heater overall, rated 3.9 to 3.5. The Camplux WA686M leads on heating power. The Camplux WA686M costs $69.13 less ($559.99 vs $629.12).
A low cost indoor heater for a two bathroom home where price matters more than a long warranty.
Amazon $629.12Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Camplux WA686M for heating power (199,000 BTU/h vs 170,000 BTU/h).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every gas tankless water heater; a clear win is highlighted. How we rank explains each one.
| Factor weight | Camplux WA686M | Camplux Climatech 7 CA686W |
|---|---|---|
| Overall rating | 3.9/5 | 3.5/5 |
| Value 35% | 100 $2.81 per 1,000 BTU/h ($559.99, 199,000 BTU/h) | 100 $3.70 per 1,000 BTU/h ($629.12, 170,000 BTU/h) |
| Heating power 25% | 100 199,000 BTU/h | 63 170,000 BTU/h |
| Efficiency 15% | 50 UEF not published (neutral score used) | 50 UEF not published (neutral score used) |
| Warranty 25% | 0 1-year heat exchanger warranty | 0 1-year heat exchanger warranty |
Specifications
| Camplux WA686M | Camplux Climatech 7 CA686W | |
|---|---|---|
| Heating | ||
| Fuel | Gas | Gas |
| Gas type | Natural gas or propane | Natural gas or propane |
| Gas input | 199,000 BTU/h | 170,000 BTU/h |
| Max flow | 8.4 GPM | 6.9 GPM |
| Condensing | No | No |
| Installation | ||
| Venting | Outdoor | Indoor |
| Vent type | - | 3 in (2.95 in) vent pipe |
| Features | ||
| Built-in recirculation | No | No |
| Wi-Fi | No | No |
| Heat exchanger warranty | 1 year | 1 year |
| Parts warranty | 1 year | - |
