White-Rodgers 3L02-190 HVAC Snap Disc Limit Control – Manual Reset

Keep your heating system operating safely and efficiently with this reliable manual-reset high-limit control.

When your furnace or HVAC unit overheats or shuts down unexpectedly, it’s often a sign that the high-limit control has failed. The White-Rodgers 3L02-190 Snap Disc Limit Control is engineered to open at 190°F, preventing dangerous temperature levels and protecting your system from damage. Its manual-reset design ensures that overheating issues are addressed properly rather than masked by automatic resets. With a simple 3/4-inch flanged airstream mount and standard quick-connect terminals, installation is quick and hassle-free for technicians and experienced DIY users.

Product Details

• Product Type: HVAC Snap Disc Limit Control (Manual Reset)
• Compatibility: Designed for a wide range of furnaces, heaters, and HVAC systems requiring a 190°F open-on-rise manual-reset limit control (verify equipment specifications before ordering).
• Manufacturer: White-Rodgers – Genuine OEM Original Part
• Common Symptoms Fixed: Ideal for resolving overheating shutdowns, repeated high-limit trips, and inconsistent system performance caused by failing temperature controls.

Part Numbers Replaced

3L02-190

Key Features

Genuine OEM Quality: As an authentic White-Rodgers component, this snap disc limit control delivers precise, dependable performance that matches your original part perfectly—no compromises, no substitutions.

Improved System Protection & Efficiency: With its accurate 190°F cut-out temperature and manual-reset safety mechanism, this control helps maintain stable operation while preventing excessive heat buildup that can reduce efficiency or damage components.

Durable Construction: Built from high-quality materials designed to withstand demanding HVAC environments, the 3L02-190 ensures long-lasting reliability across many heating cycles.

Easy Installation: Featuring a standard 3/4-inch flanged mount and 1/4-inch quick- connect terminals (often provided with tab-to-screw adapters), installation is straightforward and requires minimal tools.

Versatile Compatibility: Suitable for numerous heating units that rely on SPST open-on-rise manual-reset thermostats, making it a trusted replacement option across many HVAC brands and systems.

Restore safe, consistent operation to your heating system with the White-Rodgers 3L02-190 Limit Control. Order now and enjoy the confidence that comes with dependable temperature protection!