Greenheck 387937 — Overload Starter, RG23, MSAC

Greenheck 387937 overload starter — Overload starter

The Greenheck 387937 overload starter is listed with the distributor description “OVERLOAD STARTER,RG23,MSAC.” It is a motor-starting and overload-protection component; the supplied listing does not provide electrical ratings or equipment compatibility. Check the installed part and equipment documentation to confirm the RG23, MSAC designation before purchase or installation.

387937 overload starter specifications

• Part number: 387937
• Brand: Greenheck
• Product type: Overload starter
• Distributor description: OVERLOAD STARTER,RG23,MSAC
• Shipping weight: 1.09 lb

Where the 387937 overload starter is used

An overload starter is typically used in motor-driven HVAC equipment to provide motor starting and overload protection. The Greenheck 387937 overload starter may be considered when servicing equipment that calls for this identified replacement part, but the listing does not provide a compatible equipment model or electrical specifications. Verify the existing component and the equipment documentation before ordering, and have a qualified technician confirm suitability before installation.

Shop related parts: overloads, motors, contactors, controls.

How to install the 387937 overload starter

1. Disconnect and lock out power; verify the circuit is de-energized before service.
2. Check the existing part number and equipment documentation, and verify the replacement’s nameplate and electrical details match the application.
3. If the work requires opening a refrigerant circuit, recover refrigerant using approved procedures; otherwise, refrigerant recovery is not applicable to this electrical replacement.
4. Remove and install the component according to the equipment manufacturer’s wiring diagram and service instructions.
5. Restore power only after checking connections and covers, then test the equipment according to the manufacturer’s procedure.

Manufacturer data, drawings and cross-references are available on the Greenheck product site. A licensed HVAC/R technician should install this part.

Frequently asked questions

What is Greenheck part 387937?

It is listed as an overload starter. The distributor description identifies it as “OVERLOAD STARTER,RG23,MSAC.”

What do RG23 and MSAC mean for this part?

The listing includes RG23 and MSAC in its description but does not define those abbreviations. Confirm their meaning against the equipment documentation.

What electrical ratings does the 387937 overload starter have?

No electrical ratings are provided in the supplied listing. Check the part and equipment documentation before installation.

How can I confirm whether this part suits my equipment?

The listing does not include compatible equipment models. Compare the existing part number and equipment requirements, and have a qualified technician verify the match.

When will my 387937 order ship?

Orders are prepared and shipped within 5–7 business days.

Why buy the 387937 from Cedars HVAC

• Genuine new Greenheck part, sold by part number
• Priced below major online HVAC suppliers
• Orders are prepared and shipped within 5–7 business days.
• Real HVAC expertise. Call (305) 850-6693 to confirm the cross-reference before you order.