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White-Rodgers adjustable snap disc fan control switch, 175 to 215°F

Emerson Climate Technologies

Emerson Climate Technologies White-Rodgers W3L052 175-215°F Fan Control

SKU CH-2DQR-HESAG

Adjustable snap-disc limit control activates between 175 and 215°F

  • Product weight0.5
  • Adjustable 175-215°F range suits varied heating needs
  • Snap-disc mechanism provides reliable on/off switching
  • White-Rodgers engineering ensures dependable limit control
  • Lightweight 0.5 lb design simplifies installation

Adjustable Snap Disc Limit Control

The White-Rodgers W3L052 is a fan control switch designed for HVAC systems requiring precise temperature management. It suits technicians and homeowners replacing a limit control in heating or cooling equipment.

175 to 215°F Adjustable Range

This control activates the fan between 175 and 215 degrees Fahrenheit, allowing adjustment within that window. It is not suitable for systems needing a fixed temperature setting or a range outside these limits.

How it compares

Measured against everything we stock in Fan Speed Controllers & Timers, at today’s prices. Recalculated every night.

Price $16.99
Cheaper than about 64% of the 42 comparable items (median $19.99).

Specifications

Product
Brand nameWhite-Rodgers

Questions about this item

What does the 175–215°F range mean once the control is installed in a furnace?

The snap-disc opens the fan circuit when the heat exchanger reaches the set point between 175°F and 215°F, then closes again as it cools, so the blower runs only while sufficient heat is present.

How does the snap-disc interface limit the control’s operation in practice?

The bi-metal disc reacts directly to temperature, giving a fixed differential that cannot be programmed, so the fan cycles on and off strictly within the 175–215°F window you select.

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