Home » Fireplace High-Limit Switch 4021-383 / 066-531 | 325°F
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Fireplace High-Limit Switch 4021-383 / 066-531 | 325°F - product image 1
Fireplace High-Limit Switch 4021-383 / 066-531 | 325°F - product image 2
Fireplace High-Limit Switch 4021-383 / 066-531 | 325°F - product image 3
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Fireplace High-Limit Switch 4021-383 / 066-531 | 325°F

In stock
SKU: SO-FP0615
(0)
$21.20
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Special Order Notice
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Fireplace High-Limit Switch 4021-383 / 066-531 | 325°F

Replacement 325°F high-limit switch for specified fireplace applications. This normally closed switch uses replacement references 4021-383 and 066-531.

Key Features

• Replacement high-limit switch with a 325°F temperature rating.
• Normally closed contact configuration.
• Replacement references 4021-383 and 066-531.
• For the specified Heat-N-Glo and Heatilator fireplace applications.
• Match the original temperature rating, part number and appliance revision.

Specifications

• Product Type: High-limit switch
• Replacement References: 4021-383 / 066-531
• Temperature Rating: 325°F
• Contact Configuration: Normally closed
• Package Contents: 1 normally closed 325°F high-limit switch.
• SKU: SO-FP0615

Compatibility

Use only where the appliance specifies this high-limit switch and temperature rating. Confirm the original switch, mounting arrangement and appliance parts list. Do not bypass a high-limit switch or substitute a different temperature rating.

Cross Reference

• Heat-N-Glo / Heatilator: 4021-383 / 066-531 / SRV4021-383 / SRV66-531

Fireplace Models

• Heatilator NB4842M / NB4842MI; requires 4021-383.

These are selected applications, not a complete compatibility list. Match the specified part number and the appliance's model, fuel type and production revision before ordering. All listed date-code and serial-number limits apply.

Important Note

This is a special-order item. Confirm availability and lead time before ordering. Installation and setup should be performed by a qualified technician following the appliance manufacturer's instructions.

Why Choose This Replacement?

The specified temperature rating and contact configuration are essential to choosing the correct high-limit replacement. Match both along with the appliance part number.