

Ships same day if ordered by 12 pm
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The SUPCO cs-4 is a set of four capacitor mounting shelves designed to provide a clean, secure installation surface for run and start capacitors in HVAC equipment. Compatible with any standard capacitor size, these shelves help technicians keep capacitor wiring organized and components firmly positioned inside equipment enclosures. The cs-4 is a practical addition to any service van stock, especially for technicians who perform frequent capacitor replacements on residential and light commercial HVAC systems.
Capacitor shelves are used wherever a capacitor needs a stable, code-acceptable mounting point inside an air handler, condenser, or other HVAC cabinet. Because loose or unsupported capacitors can vibrate, shift, or cause wiring strain over time, a dedicated mounting shelf is considered good installation practice. The cs-4 four-pack supplies enough shelves for multiple jobs or units serviced in a single visit.
Designed as a universal-fit mounting accessory for round and oval run or start capacitors commonly installed in residential and light commercial HVAC equipment.
Capacitor shelf installation is typically performed by a licensed HVAC technician. Always disconnect power to the unit at the disconnect box and verify the capacitor is fully discharged before handling any capacitor or mounting hardware. Secure the shelf to the cabinet using appropriate fasteners for the enclosure material. Follow local electrical codes and equipment manufacturer guidelines when routing and securing capacitor wiring.
Thanks for subscribing!
This email has been registered!