Sub-Zero 736TFI integrated tall freezer repair
The 736TFI is an integrated tall freezer with an ice maker, designed to sit flush in cabinetry with a custom panel on the door. Installations are typically a column pair or a full wall of integrated units, which means the grille area gets covered by trim and dust collects quietly.
On a freezer of this age, a defrost cycle that stops short is a frequent reason for frost bridging the evaporator and for poor temperature holding. We look at the defrost heater circuit, the termination device and the fan together, because one weak part makes the others look guilty.
We also check the ice maker mold, inlet valve and shutoff arm. You will have the price in writing first, and the repair is covered by a 30-day workmanship warranty.
That usually means the defrost cycle is not completing, so frost keeps building on the evaporator. We test the heater, the termination device and the control that starts the cycle, then give you a written quote.
Yes. The condenser needs to breathe, and a grille packed with dust or blocked by trim runs hotter and cycles longer. A cleaning is part of our first check, and we show you what we found.
We start at the water inlet and the mold, since low flow or a failing heater gives exactly that result. If the freezer temperature is correct, the cooling system is not the cause.
Book in about a minute, or call the desk. Same-day windows inside the Loop on most days, next-day across the rest of Houston.
