JennAir C221 Cartridge Downdraft Cooktop Service

A C221 is a 30-inch electric cartridge cooktop that has usually been in the same counter cutout for decades. The vent runs through the cooktop and down a duct, so there is no hood overhead, and the grease trap is the part everybody forgets about.
When the vent loses strength, owners assume the blower has died. More often the trap is packed with old grease, and the motor is working against a blocked path. After that, the next suspects are a worn motor, an element that heats unevenly, and knobs that have cracked or lost their grip on the shaft.
We start with the trap and duct, since it costs the least to rule out, and then run the blower and each cartridge in turn. The price is written before we start any work, and the repair has a 30-day workmanship warranty.
A grease-packed trap is the first thing we look at, because it sits right in the airflow. After cleaning it, we test the blower speed and the duct. If the motor is worn, we quote the replacement first.
A slow element usually has a worn heating coil, a poor connection or a tired switch. We test each in turn and tell you which part is responsible and what it costs.
Often yes, if the right knob can be matched to the switch shaft. We check the switch underneath at the same time, since a cracked knob sometimes hides a switch that is also worn.
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.