Lennox 58H66 Potential Relay
The Lennox 58H66 Potential Relay is a critical electrical component designed for precision motor starting in residential and commercial HVAC applications. Engineered for systems requiring a high-torque start, this SPNC (Single Pole Normally Closed) relay manages the disconnection of the start capacitor once the motor reaches its designated speed, preventing winding damage and ensuring optimal cycle reliability. This genuine Lennox OEM replacement part (also referenced as 58H6601) features a coil voltage rating of 336V and is specifically calibrated with a 186-215 volt pickup and a 40-90 volt dropout range. Compatible with Lennox HS29 and 10ACB series condensing units, as well as various Armstrong and Ducane equipment, it is built to handle 35/50 Amp currents at 60Hz. Its compact form factor allows for straightforward control box installation, making it a staple for technicians maintaining heat pumps and central air conditioning systems. Utilize this reliable HVAC start relay to resolve compressor starting issues and maintain peak system efficiency.
Key Benefits- Ensures high-torque starting for compressors in Lennox heat pumps and AC units.
- Calibrated pickup and dropout voltages prevent premature capacitor failure.
- Genuine OEM replacement ensures exact electrical and mechanical compatibility.
- Compact, durable housing fits standard mounting configurations in HVAC control panels.
- Reliable SPNC switching manages start circuit timing with professional-grade accuracy.
Is the 58H66 compatible with other brands?
Yes, as a standard Zettler-manufactured component (Model ZCPRX2AE2), it serves as a direct replacement for Armstrong, Concord, and Ducane part number 58H6601.
What are the symptoms of a failing potential relay?
Common indicators include the compressor failing to start, a "humming" sound from the condensing unit, or blown start capacitors caused by the circuit remaining closed too long.
Can I use this relay for both 208V and 230V systems?
Yes, this 336V continuous coil relay is designed for use in standard 208/230V single-phase HVAC equipment common across Lennox model lines.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $54.55
-65%$54.55
$19.09Lennox 58H66 Potential Relay
The Lennox 58H66 Potential Relay is a critical electrical component designed for precision motor starting in residential and commercial HVAC applications. Engineered for systems requiring a high-torque start, this SPNC (Single Pole Normally Closed) relay manages the disconnection of the start capacitor once the motor reaches its designated speed, preventing winding damage and ensuring optimal cycle reliability. This genuine Lennox OEM replacement part (also referenced as 58H6601) features a coil voltage rating of 336V and is specifically calibrated with a 186-215 volt pickup and a 40-90 volt dropout range. Compatible with Lennox HS29 and 10ACB series condensing units, as well as various Armstrong and Ducane equipment, it is built to handle 35/50 Amp currents at 60Hz. Its compact form factor allows for straightforward control box installation, making it a staple for technicians maintaining heat pumps and central air conditioning systems. Utilize this reliable HVAC start relay to resolve compressor starting issues and maintain peak system efficiency.
Key Benefits- Ensures high-torque starting for compressors in Lennox heat pumps and AC units.
- Calibrated pickup and dropout voltages prevent premature capacitor failure.
- Genuine OEM replacement ensures exact electrical and mechanical compatibility.
- Compact, durable housing fits standard mounting configurations in HVAC control panels.
- Reliable SPNC switching manages start circuit timing with professional-grade accuracy.
Is the 58H66 compatible with other brands?
Yes, as a standard Zettler-manufactured component (Model ZCPRX2AE2), it serves as a direct replacement for Armstrong, Concord, and Ducane part number 58H6601.
What are the symptoms of a failing potential relay?
Common indicators include the compressor failing to start, a "humming" sound from the condensing unit, or blown start capacitors caused by the circuit remaining closed too long.
Can I use this relay for both 208V and 230V systems?
Yes, this 336V continuous coil relay is designed for use in standard 208/230V single-phase HVAC equipment common across Lennox model lines.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
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Description
The Lennox 58H66 Potential Relay is a critical electrical component designed for precision motor starting in residential and commercial HVAC applications. Engineered for systems requiring a high-torque start, this SPNC (Single Pole Normally Closed) relay manages the disconnection of the start capacitor once the motor reaches its designated speed, preventing winding damage and ensuring optimal cycle reliability. This genuine Lennox OEM replacement part (also referenced as 58H6601) features a coil voltage rating of 336V and is specifically calibrated with a 186-215 volt pickup and a 40-90 volt dropout range. Compatible with Lennox HS29 and 10ACB series condensing units, as well as various Armstrong and Ducane equipment, it is built to handle 35/50 Amp currents at 60Hz. Its compact form factor allows for straightforward control box installation, making it a staple for technicians maintaining heat pumps and central air conditioning systems. Utilize this reliable HVAC start relay to resolve compressor starting issues and maintain peak system efficiency.
Key Benefits- Ensures high-torque starting for compressors in Lennox heat pumps and AC units.
- Calibrated pickup and dropout voltages prevent premature capacitor failure.
- Genuine OEM replacement ensures exact electrical and mechanical compatibility.
- Compact, durable housing fits standard mounting configurations in HVAC control panels.
- Reliable SPNC switching manages start circuit timing with professional-grade accuracy.
Is the 58H66 compatible with other brands?
Yes, as a standard Zettler-manufactured component (Model ZCPRX2AE2), it serves as a direct replacement for Armstrong, Concord, and Ducane part number 58H6601.
What are the symptoms of a failing potential relay?
Common indicators include the compressor failing to start, a "humming" sound from the condensing unit, or blown start capacitors caused by the circuit remaining closed too long.
Can I use this relay for both 208V and 230V systems?
Yes, this 336V continuous coil relay is designed for use in standard 208/230V single-phase HVAC equipment common across Lennox model lines.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
