Photograph the layout, lift the trivets, caps and crowns, and soak the enamelled parts flat in hot water with a non-caustic degreaser for an hour. Clear burner ports with a wooden toothpick rather than metal, and dry all cast iron by hand.
Technika hobs arrived in NSW kitchens overwhelmingly as part of a matched three-piece package in project homes, sold through Harvey Norman and independent retailers. The range leans gas, so for most owners this is a burner and trivet job.
Whole developments, one hob
Because these went in at scale, a single estate can carry hundreds of identical cooktops installed in the same year.
That is genuinely useful. Filter and burner parts are stocked because volume in a few models is exactly what distributors plan for, and any problem you have is very unlikely to be unusual. It also means the appliance is as old as the house rather than as old as the kitchen looks.
The trivets and the base beneath
Lift the trivets, caps and crowns off cold, after photographing the layout from directly above, because caps are sized per burner and a large cap on a medium crown gives a flame that lifts and will not simmer.
Soak the trivets and enamelled caps flat for an hour in hot water with a non-caustic degreaser, in a tub lined with an old towel. Work them with a stiff nylon brush rather than wire, and dry them by hand immediately, because exposed iron rusts fast here.
Then deal with the enamelled base underneath, which on a hob that has never been taken apart is where the years have gone. Every boil-over has run down there and been baked by the burner above it. Treat it like an oven cavity rather than a benchtop: non-caustic cleaner, a genuine twenty minute dwell, and work rather than a wipe.
Keep liquid off the ignition electrodes beside each burner, or they click without lighting until they dry. Our cooktop cleaning guide covers ports, electrodes and what a glass Technika needs instead.
The matched package
The hob sits between a Technika oven that may carry catalytic liners and a Technika rangehood that has probably never been opened. The hood is the reason the hob keeps getting greasy, and it is invariably the one furthest behind.
The trivet finish, and why wire is worse here than elsewhere
Technika trivets are enamelled cast iron, and at this price point the enamel is thinner than on a premium range cooker.
That matters for one specific decision. A wire brush on a heavy Falcon or ILVE trivet will mark it; on a Technika trivet it will go through to the iron considerably faster, and once bare iron is exposed it rusts and then lifts the enamel around it. What starts as a cosmetic scar becomes a spreading patch within a couple of Sydney summers.
So the nylon brush is not a nicety here, it is the difference between trivets that last the life of the appliance and trivets that need replacing in three years. If a soak plus a nylon brush will not shift something, the answer is a second soak rather than a harder brush.
Dry them by hand and check for any spot where the enamel has already gone. A small patch of bare iron caught early and kept dry will sit stable for years; the same patch left damp after every clean will spread.
What actually goes wrong
A burner that will not simmer, from a cap on the wrong crown.
Rusted trivets, dried by air rather than by hand.
A hob base with a decade on it, because the burners have never come off.
A wet electrode after cleaning, which resolves itself in a few hours.
Should you do it yourself?
Do it yourself, lifting the burners every month or two before the base sets hard.
Get someone in if the base has years on it, or if you are having the matched oven and hood done, which is the sensible way to approach a package kitchen.