HS Series：Provides a boost for high efficiency compressors or hel ps older compressors run cooler.

E Series：Electronic Potential Relay/Start Capacitor Combination Hard Start Kit with electronic timing circuit;  Backup electronic timing circuit to protect the compressor; Can be used on PSC and CSIR type compressors; Easy 2-wire installation; Electronic potential relay (EPR) technology Instant re-start; UL® Recognized; Voltage sensing

SPP Series：Relay and Hard Start Capacitor; For all PSC AVC units from 4000 thru 1 20000BTU (1/2 thru 10H.P.); Can be used on 120 thru 288VAC units.

LS/LO：Can be used on PSC and CSIR type compressors; Easy 2-wire installation; Instant re-start; Mechanical Potential Relay; OEM approved technology; UL® Recognized; Voltage sensing

LTU Series：UL-certified compressor saver hard start capacitors - LTUA, LTUB, and LTUC. Extend compressor life, protect internal components, and start AC in 30-50% less time. Suitable for various Ton units, easy installation with instructions and mounting hardware included. Enhance air conditioning system performance and longevity with reliable compressor saver capacitors.

LTR Series：Can be used on PSC and CSIR type compressors；Easy 2-wire installation；Instant re-start；Mechanical Potential Relay；OEM approved technology；UL® Recognized；Voltage sensing

Voltage Sensing; Instant Re- Start; 35 Amp Relay Contacts; 208-277 VAC; 330 VAC Start Capacitor; Includes Snap Bracket for; Quick Installation;