The short answer
Water from a Commercial Cool freezer comes from one of three places: frost that has melted and could not drain, condensation that should never have formed, or ice that thawed because the cabinet warmed up. Each leaves water somewhere different, so the first job is to look rather than to order a part. The WUF family as the table shows it is one model number. Work from the full number on the rating plate rather than from the family letters when you order anything.
What you actually observe
- Water pooling on the compartment floor — The drain is blocked or frozen and melt water has nowhere to go.
- Puddle on the floor in front — Usually the same fault after the water has overflowed the liner, especially on a cabinet tipped forward.
- Water at the back underneath — The tray, which is either full, cracked or knocked out of position.
- Sheet of ice across the floor of the compartment — A drain that freezes rather than blocks. The same fix, done with the unit off and empty.
- NEAR MISS — condensation on the outside of the lid — A humid room against a cold panel. Not a leak, though it can point at a seal losing the argument.
Ranked causes on these models
- Blocked or frozen drain — First on this family. Melt water depends on one small drain staying clear; block it with debris or freeze it and the water backs up into the compartment rather than running to the tray.
- Tray overflow, displacement or cracking — Second. The tray sits over the compressor so the heat evaporates the water; knock it askew during a move or crack it with age and that water lands on the floor.
- Seal letting humid air in — Third. Warm damp air entering past a hardened gasket condenses and freezes, and when the cabinet defrosts that becomes free water. It is worse in summer, which is the tell.
- Ice melting after a warm spell or a door left open — Last. Not a fault at all, but it produces exactly the same puddle and it is worth ruling out before anything is dismantled.
Check in this order, and why that order
- Time the water — Cyclic water is defrost water and points at the drain. Water that appeared once after a warm spell is thawed ice and points at nothing.
- Dry everything and lay paper down — Kitchen paper under the cabinet and inside it shows where the water arrives first, which no description can.
- Paper-test the seal — A gasket that no longer grips at one point lets in the humid air that becomes the water you are mopping.
- Flush the drain gently — Warm water down the drain hole, never a wire pushed hard: the tube below is soft plastic and punctures easily.
Before you open anything
Safety
Unplug the appliance or switch off its breaker before removing any panel. A capacitor can hold a charge after the power is off. Water on the floor and electrical parts at the back are a bad combination, so unplug before mopping underneath or pulling the cabinet out. Never clear a frozen drain with a metal wire or a heat gun: the tube is soft plastic and a punctured tube leaks permanently where nobody can see it.
Models this page covers
Reference| Model number | Family key |
|---|---|
| WUF13W | commercial-cool:freezer:wuf |
Where the owner line is on these models
The owner line on these models is the drain and the tray. Clearing a blocked drain, thawing a frozen one, levelling the cabinet, reseating the tray and paper-testing the gasket are all yours and they resolve the large majority of leaks. Call when the drain blocks again within weeks, when the tray is cracked, or when water has reached insulation or flooring. Anything involving the defrost heater or its control is diagnosed on a live appliance behind a panel, which is service work. Because the WUF line is a single model number, a technician can look the parts up before arriving, which is worth mentioning when you call.
Other WUF problems we cover
Lead Appliance Repair Technician · 12 years experience
Experienced technician with 12 years specializing in washing machine and dryer repairs across all major brands.