Jard 12905 5 MFD Oval Run Capacitor (370V)

The Jard 12905 5 MFD Oval Run Capacitor (370V) is a Jard capacitor for HVAC repair and replacement work. Use it when the part number 12905 and the listed specifications match the equipment being serviced.

JARD 12905 5 MFD Oval Run Capacitor (370V) A JARD single-section motor run capacitor used in HVAC and other single-phase motor applications where a 5 µF, 370V run capacitor is specified. Key Features • Capacitance: 5 MFD (µF) • Voltage rating: 370V • Shape: Oval • Dimensions listed: 2" diameter, 1.56" height, 1-1/4" depth, 2" width • JARD (Mars) run capacitor line features: Non-PCB, physical interrupter safety design • Material: Aluminum Compatibility & Applications • Used as a motor run capacitor where the equipment manufacturer specifies a 5 MFD, 370V capacitor and the available mounting space fits an oval capacitor of the listed…

Key Specs

• Voltage: 370V
• MFD: 5
• Shape: Oval
• Product Type: Capacitor

Fitment Notes

Captured equipment fit data references models including 1887, 3135. Verify the complete unit model and service manual before installation.

Expert Verdict

Reviewed by the SuperArbor Pro Desk: choose this part when the existing component label and unit documentation match 12905 and the spec set above. It is best suited for targeted HVAC service repairs where exact fitment matters more than broad universal compatibility.

FAQs

What is the Jard 12905 used for?

It is a capacitor for compatible Jard HVAC equipment. Match the part number 12905 and the equipment service literature before ordering or installing.

Which specs should I verify before purchase?

Verify the spec set shown for this part: Voltage: 370V; MFD: 5; Shape: Oval; Product Type: Capacitor. The replacement should match the existing component and the unit documentation.

Does the electrical rating need to match exactly?

Yes. Confirm MFD rating 5 and voltage rating 370V against the failed component label. Do not substitute a different rating unless the equipment manufacturer allows it.

Which equipment models are referenced in the fit data?

Captured fit data references models such as 1887, 3135. Treat this as a fitment aid and verify the complete model list in the equipment documentation.

Who should install this HVAC component?

A qualified HVAC technician should install and test the capacitor. Disconnect power first, follow lockout procedures, and confirm safe operation after replacement.

Safety and Installation Notes

Disconnect power before service. HVAC electrical and combustion-related components should be installed and tested by a qualified technician. After installation, confirm wiring, mounting, airflow or fluid routing as applicable, and normal system operation.