Viking Repair Sammamish, WA (425) 610-8986
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Care notes · Hoods

Grease Trough and Blower Housing

Viking's use and care guide: give the hood a thorough cleaning every 3 months.

How air leaves a wall hood Side section of a wall hood over a cooktop. Cooking air rises through the baffle filter, is pulled by the blower, passes the backdraft damper and travels up a metal duct to a cap on the roof or wall; the lamps and switches sit on the canopy face. roof cooktop 1 2 3 4 5 6
How air leaves a wall hood This page Blower (ventilator) — the only moving part pulling the air
  1. Baffle filter — grease collects on the channels and drains to the bottom
  2. Blower (ventilator) — the only moving part pulling the air
  3. Backdraft damper — opens under airflow, falls shut when the fan stops
  4. Metal duct — smooth and straight is best; every elbow costs draw
  5. Roof or wall cap — where the air finally leaves the house
  6. Lights and controls — the lamps and the fan and light switches on the canopy

In short

Grease the baffles miss settles in three places: the trough on 18-inch-high hoods, the inside of the canopy and the fan. Viking asks for all three to be kept free of build-up. Viking Repair Sammamish takes over where the ventilator itself begins: (425) 610-8986.

Where grease goes after the baffles

Baffles catch most of the grease, not all of it. The rest coats the canopy walls, pools in the trough on tall hoods and lands on the ventilator. Viking lists frequent fan cleaning among its steps against a rangetop grease fire, so the fan belongs in the routine.

Where the owner’s part stops

We draw the line at the ventilator body: its wheel, motor and wiring sit behind fasteners and a hard-wired supply. When the fan needs more than a wipe, we open it with the power locked off and read the grease before we clean or replace anything.

The steps

  1. Cut the power at the breaker first

    Viking says to switch the hood off at the service panel before cleaning; left live, its heat sensor can start the blower. Let the metal cool, then take the baffles out.

  2. Soak the trough on 18-inch-high hoods

    Hoods with an 18-inch-high canopy carry a grease trough along the filter line. Viking says to lift it out with the filters every time and soak it in hot, soapy water. Lower hoods have none.

  3. Wipe the canopy, soften what has set

    Warm soapy water on a cloth, inside and out. Viking rules out abrasive cleansers, steel wool, scouring cloths and anything with chlorides. Soften hardened deposits under hot towels, then lift them with a wooden or nylon scraper, never metal.

  4. Wipe only the fan surfaces in reach

    On some models part of the ventilator shows once the filters are out. Wipe the grease you can reach on its outer surfaces with a soapy cloth. Do not unbolt it, reach into the wheel or open the electrical box.

Pliers, screwdrivers and a wooden-handled brush on a folded towel with screws and small brackets

Call us when

  • Grease has built up inside the ventilator, beyond what a cloth can reach
  • The blower rattles, wobbles or sounds different after a cleaning

Past that point it is a bench job, not a care job. Viking Repair Sammamish picks up on (425) 610-8986; the visit and diagnosis are $89, taken off the repair if you go ahead.

Asked about this

Does every Viking hood have a grease trough?

No. In Viking's 5 Series professional hood guide the grease trough belongs to the 18-inch-high models only, and it comes out whenever the filters are cleaned. On lower wall hoods grease drains to the bottom of each filter. Viking Repair Sammamish can tell which you have: (425) 610-8986.

Pliers, four drivers and a wire brush arranged on a cloth with nuts, bolts and spacers

Hoods · cooktops · rangetops

Describe it, then we measure it

Say what the hood, the cooktop or the rangetop is doing and which model it is. We bring the meters to Sammamish and quote nothing until we have read them. $89 for the visit and diagnosis, taken off the repair if you go ahead.

On site every day of the week, 8 am–8 pm · calls taken 24/7