White-Rodgers 3L02-170 Heating Snap Disc Limit Control

The White-Rodgers 3L02-170 Heating Snap Disc Limit Control delivers reliable overheat protection for blowers and high-limit safety applications. This SPST Open on Rise limit control is designed for 120/240 Volt AC full-load operation and supports 120/240/277 Volt AC resistive/pilot duty.

Built as Therm-O-Disc Style 60T15 and Therm-O-Disc Type 330535, it mounts on a 3/4 Inch Flanged Airstream Mount for straightforward installation into standard HVAC assemblies.

Key specifications ensure dependable performance across heating and ventilation systems:

• Current rating: 10 A at 120 V, 5 A at 240 V (full load)
• Resistive/Pilot duty: 25 A at 120/240 V, 21.6 A at 277 V (Resistive)
• Power rating: 125 VA at 120/240/277 V (Pilot Duty)
• Temperature rating: 170°F (Cut-Out)
• Mounting type: 3/4" Flanged Airstream Mount
• Used on: Blower or High Limit Safety Control / Heating Control