Thermador DWHD660WFM (Masterpiece Collection)
Mid-tier in Thermador’s previous W-series, the 660WFM has been discontinued. It pairs a built-in softener with condensation drying, and it lacks the Zeolite-based StarDry system the company brought to higher tiers and later generations. Units like this are now commonly found in kitchens that have had them for a good while.
That absence shapes how we handle a wet-dish complaint. There is no Zeolite error code to chase, so we look at the standard heat-pump and condensation path and at how well the softener is working. Drain and inflow codes are read the way they are on current machines, because the core control platform carried forward. And since the model is no longer sold, parts sourcing is part of the estimate. Anything we find is explained in plain terms, and the written price comes before work starts, so you can weigh the repair against the age of the machine. If you remember when the problem first appeared, that detail helps us narrow the search.
Condensation drying generally needs more time to dry glass and plastic than a Zeolite-assisted system. It is simply how this tier behaves, and it does not mean your machine has a problem.
Its job is the same, conditioning the wash water. Salt-refill intervals can shift from one generation to the next, so read the paperwork for your particular model.
The displayed code first, and then whether the part we need can be sourced. Because this model is discontinued, that second step deserves attention early.
Request a visit online in about a minute or phone our coordinators. Close-in neighborhoods often see a same-day slot; the outer counties usually get the next day across Houston.