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Free shipping on orders over $399/€350

14-Day Returns*

2-Year Warranty

Worldwide Shipping, US Included

The morning air was brisk, and inside the Thompson home, it was quickly becoming frigid. When the thermostat clicked but the familiar hum of the furnace blower failed to follow, Mark knew he had a problem. After a quick online search, he suspected a common culprit: the furnace capacitor—a small, silver cylinder responsible for giving the motor the "jolt" it needs to start.

He had two choices: wait days for a technician and pay upwards of $300, or find the part himself for under $30. Here is where his search for a replacement part led him.

Size Chart

See how to measure yourself

Measure your chest (A) and hips (B) following our indications.  where to buy a furnace capacitor

The reference measurement will always be the larger of the two (A or B). The morning air was brisk, and inside the

Look in the chart to which size corresponds to that measurement. The morning air was brisk

Size chart
SizeReference measurements
 InchesCentimeters
2XS25.6 – 29.465 – 74
XS29.5 – 32.675 – 82
S32.7 – 36.183 – 91
M36.2 – 39.792 – 100
L39.8 – 42.8101 – 108
XL42.9 – 46.3109 – 117
2XL46.4 – 49.9118 – 126
3XL50 – 53127 – 134
4XL53.1 – 55.9135 – 142

Where To Buy A Furnace Capacitor ★

The morning air was brisk, and inside the Thompson home, it was quickly becoming frigid. When the thermostat clicked but the familiar hum of the furnace blower failed to follow, Mark knew he had a problem. After a quick online search, he suspected a common culprit: the furnace capacitor—a small, silver cylinder responsible for giving the motor the "jolt" it needs to start.

He had two choices: wait days for a technician and pay upwards of $300, or find the part himself for under $30. Here is where his search for a replacement part led him.