Camplux Climatech 7 CA686W vs Camplux WA686M

Last updated: October 31, 2026

The 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).

Camplux Climatech 7 CA686W vs Camplux WA686M

Prices 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?

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 weightCamplux WA686MCamplux Climatech 7 CA686W
Overall rating3.9/53.5/5
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/h63 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 warranty0 1-year heat exchanger warranty

Specifications

Camplux WA686MCamplux Climatech 7 CA686W
Heating
FuelGasGas
Gas typeNatural gas or propaneNatural gas or propane
Gas input199,000 BTU/h170,000 BTU/h
Max flow8.4 GPM6.9 GPM
CondensingNoNo
Installation
VentingOutdoorIndoor
Vent type-3 in (2.95 in) vent pipe
Features
Built-in recirculationNoNo
Wi-FiNoNo
Heat exchanger warranty1 year1 year
Parts warranty1 year-

All tankless water heater comparisons →