Brochure
www.white-rodgers.com
90
FURNACE
SNAP DISC
CONTROLS
Model Temperature Switch Therm-O-Disc
Number Range Differential Action Function Accessories Style Type
3F05-1 90 to 130°F 20°F SPST Fan Controls Includes thermostat 74T12 310708
3F05-2 140 to 180°F 20°F SPST (Close on Rise) and tab-to-screw 74T12 310709
3L05-1 135 to 175°F 40°F SPST Limit Controls terminals. 74T11 310710
3L05-2 175 to 215°F 40°F SPST (Open on Rise) 74T11 310711
3L05-3 210 to 250°F 40°F SPST 74T11 310712
3L05-10 135 to 175°F 20°F SPST 74T11 310724
3L05-13 250 to 290°F 40°F SPST 74T11 310730
SPECIFICATIONS
ADJUSTABLE SNAP DISC FAN & LIMIT CONTROLS
Adjustable Snap Disc Thermostat Allows You to Set the Temperature
Set Point to Match Your Specic Needs Which Simplies Inventory
FEATURES
• ¼” quick connect terminals are standard.
• Reduces inventory while providing coverage for a wide range of temperature
applications.
• Replaces the majority of xed disc thermostats now on heating equipment and
various appliances.
• 2 adjustable fan control models replace 7 xed snap disc models.
• 5 adjustable limit control models replace 10 xed snap disc models.
PARTS AND ACCESSORIES
3F05-1
• F6-1798 Adapter plates (Order separately) — 1 per pack
3L05-1
F6-1798 (1 per pack)
Resistive Motor Rating (Inductive)
VAC (Non-Inductive) Full Load Locked Rotor Pilot Duty
120 25.0A 14.0A 72.0A 125 VA
240 25.0A 10.0A 60.0A 125 VA
ELECTRICAL RATINGS