Wolf builds cooking equipment — ranges, rangetops, ovens and cooktops — and the call we hear most on the cooking side in Menlo Park is about the low end of the flame, not the high. The burner lights and runs hot just fine, but a careful cook can't get a clean, steady low simmer: the flame either creeps up, gutters out, or the igniter keeps clicking after it's lit.
If you cook seriously in a West Menlo kitchen, that low simmer is the whole reason you bought the range. Here's what's usually behind it — and what isn't.
The cap and the ports do most of the misbehaving
A Wolf sealed burner simmers cleanly only when the burner cap sits dead flush and the flame ports are clear. After a few months of real cooking, a cap can shift a hair out of seat — a pot dragged across it, a cleaning that didn't reseat it — and an off-seat cap throws the flame pattern uneven, so the low setting flickers and won't hold.
The ports matter just as much. Boil-overs and spatter leave residue that partially blocks the small ports that feed the low flame. The high flame still looks fine because plenty of ports are open; the simmer suffers because it relies on the few that are now clogged. Lifting the cap, clearing the ports, and reseating the cap flush fixes a surprising number of 'won't simmer' calls outright.
When the clicking won't stop
A burner that keeps clicking after it has lit is a different symptom and points at the spark side. A moist or fouled igniter, or an electrode that has drifted out of position, keeps the spark firing when it shouldn't. On Wolf cooking equipment that's a clean, bounded repair — clean and reposition the electrode, or replace it with a genuine OEM part — and it is almost never the control valve behind the knob.
We test before we replace anything, so you don't pay for a valve when the fix was an electrode. It matters because Wolf valves and igniters live in different price brackets entirely.
What we don't do — and what's next door
One thing worth saying plainly: Wolf is the cooking brand. If a homeowner asks us about a 'Wolf refrigerator' or 'Wolf dishwasher,' the built-in refrigeration is the sister brand, Sub-Zero — which we also service. We keep that line clear so you get the right diagnosis for the right appliance.
For the cooking side, the Wolf range and oven repair page has the full detail. For the refrigeration side, start with built-in refrigerator repair.