Lochinvar & A.O. Smith 100111550 Transformer
The Lochinvar & A.O. Smith 100111550 Transformer is a critical OEM replacement part designed for high-efficiency water heaters and commercial boilers. As a 120V to 24V step-down transformer, it provides the necessary 24VAC power to the integrated control board, ignition modules, and safety limit circuits. Rated at 8.4VA, this component ensures voltage stability and protects sensitive electronics from interference, which is vital for maintaining the secondary control loop in Lochinvar Knight and A.O. Smith residential and commercial series. This class 2 transformer features primary 120V leads and secondary 24V terminals, offering a direct fit for field repairs where precision and reliability are mandatory. Replacing a faulty 100111550 is essential when troubleshooting "no power" issues at the thermostat or control interface, ensuring the HVAC control circuit operates within specified electrical parameters to prevent premature component failure during high-demand cycles.
Key Benefits- OEM Compatibility: Precision-engineered for a seamless fit in Lochinvar and A.O. Smith commercial and residential boilers.
- Enhanced Regulation: Maintains a steady 24VAC secondary output to power safety switches and ignition controls.
- Circuit Protection: Helps isolate sensitive digital controls from line voltage spikes and electrical noise.
- Durable Construction: Built to withstand the high-temperature environments common in modern HVACR cabinets.
What are the electrical specifications for this unit?
The 100111550 features a 120V primary voltage and a 24V secondary voltage with an 8.4VA power rating.
How do I know if this transformer needs to be replaced?
If your boiler has line voltage at the primary but no 24V output at the secondary terminals, or if the internal thermal fuse has tripped due to a downstream short, a replacement is necessary.
Is this compatible with Lochinvar Knight boilers?
Yes, this is the standard HVAC transformer used in several Lochinvar and A.O. Smith boiler and water heater platforms. Always verify the part number in your technical manual.
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.
Lochinvar & A.O. Smith 100111550 Transformer
The Lochinvar & A.O. Smith 100111550 Transformer is a critical OEM replacement part designed for high-efficiency water heaters and commercial boilers. As a 120V to 24V step-down transformer, it provides the necessary 24VAC power to the integrated control board, ignition modules, and safety limit circuits. Rated at 8.4VA, this component ensures voltage stability and protects sensitive electronics from interference, which is vital for maintaining the secondary control loop in Lochinvar Knight and A.O. Smith residential and commercial series. This class 2 transformer features primary 120V leads and secondary 24V terminals, offering a direct fit for field repairs where precision and reliability are mandatory. Replacing a faulty 100111550 is essential when troubleshooting "no power" issues at the thermostat or control interface, ensuring the HVAC control circuit operates within specified electrical parameters to prevent premature component failure during high-demand cycles.
Key Benefits- OEM Compatibility: Precision-engineered for a seamless fit in Lochinvar and A.O. Smith commercial and residential boilers.
- Enhanced Regulation: Maintains a steady 24VAC secondary output to power safety switches and ignition controls.
- Circuit Protection: Helps isolate sensitive digital controls from line voltage spikes and electrical noise.
- Durable Construction: Built to withstand the high-temperature environments common in modern HVACR cabinets.
What are the electrical specifications for this unit?
The 100111550 features a 120V primary voltage and a 24V secondary voltage with an 8.4VA power rating.
How do I know if this transformer needs to be replaced?
If your boiler has line voltage at the primary but no 24V output at the secondary terminals, or if the internal thermal fuse has tripped due to a downstream short, a replacement is necessary.
Is this compatible with Lochinvar Knight boilers?
Yes, this is the standard HVAC transformer used in several Lochinvar and A.O. Smith boiler and water heater platforms. Always verify the part number in your technical manual.
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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Product Information
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Shipping & Returns
Description
The Lochinvar & A.O. Smith 100111550 Transformer is a critical OEM replacement part designed for high-efficiency water heaters and commercial boilers. As a 120V to 24V step-down transformer, it provides the necessary 24VAC power to the integrated control board, ignition modules, and safety limit circuits. Rated at 8.4VA, this component ensures voltage stability and protects sensitive electronics from interference, which is vital for maintaining the secondary control loop in Lochinvar Knight and A.O. Smith residential and commercial series. This class 2 transformer features primary 120V leads and secondary 24V terminals, offering a direct fit for field repairs where precision and reliability are mandatory. Replacing a faulty 100111550 is essential when troubleshooting "no power" issues at the thermostat or control interface, ensuring the HVAC control circuit operates within specified electrical parameters to prevent premature component failure during high-demand cycles.
Key Benefits- OEM Compatibility: Precision-engineered for a seamless fit in Lochinvar and A.O. Smith commercial and residential boilers.
- Enhanced Regulation: Maintains a steady 24VAC secondary output to power safety switches and ignition controls.
- Circuit Protection: Helps isolate sensitive digital controls from line voltage spikes and electrical noise.
- Durable Construction: Built to withstand the high-temperature environments common in modern HVACR cabinets.
What are the electrical specifications for this unit?
The 100111550 features a 120V primary voltage and a 24V secondary voltage with an 8.4VA power rating.
How do I know if this transformer needs to be replaced?
If your boiler has line voltage at the primary but no 24V output at the secondary terminals, or if the internal thermal fuse has tripped due to a downstream short, a replacement is necessary.
Is this compatible with Lochinvar Knight boilers?
Yes, this is the standard HVAC transformer used in several Lochinvar and A.O. Smith boiler and water heater platforms. Always verify the part number in your technical manual.
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.
