Parts for Jenn-Air WW30430PC: 04 - Internal Controls Parts

A hi-limit safety switch that stops heating when temperatures get too high, protecting the appliance from overheating and helping prevent damage. Designed to replace a failed thermal cutoff to restore safe temperature control. What it does:

• Opens the heating circuit when internal temperature exceeds the safe limit to prevent overheating
• Commonly replaces a failed or intermittently opening thermal limit control
• Helps stop burners or heating elements from running unchecked when a thermostat fails
• Addresses symptoms like no heat, intermittent heating, or safety trip shutdowns

• Disconnect power before accessing heating components and wiring
• Verify the part matches the appliance diagram and wiring orientation before installation
• If corrosion or other damage is present on connectors or terminals, replace or repair per OEM guidance

This factory fastener secures panels, trim, or brackets on your appliance. Replacing a missing or stripped screw restores a snug, rattle-free fit and keeps components aligned for proper operation and a clean, finished appearance.

• Fastens exterior panels, trim pieces, or internal brackets to the appliance chassis
• Replaces lost, damaged, or stripped hardware
• Helps prevent vibration, rattling, and gaps between parts
• Common signs you need this screw: missing hardware, loose or misaligned panel/trim, stripped head or threads

• Disconnect power before servicing; also shut off the gas supply
• Use the correct driver; start the screw by hand to avoid cross-threading
• Tighten snugly—do not overtighten to prevent stripping or cracking adjacent parts
• Repair or replace the mounting point before installing