Lochinvar & A.O. Smith 100166433 Pump
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Lochinvar & A.O. Smith 100166433 Pump

Lochinvar & A.O. Smith 100166433 Pump

The Lochinvar & A.O. Smith 100166433 Pump is a heavy-duty, all-bronze circulating pump specifically engineered for high-demand hydronic heating applications. Functioning as a 2/5 HP boiler pump, this component is designed for 120V/60Hz operation and is the direct replacement for 100113054. It is primarily utilized within the Lochinvar Power-Fin (PF) series, including models PF 502 through PF 1302. Its bronze construction ensures superior corrosion resistance, making it an essential HVAC part for maintainting system longevity and efficient heat transfer. Technicians should note that this circulating pump is critical for achieving the required GPM flow rate and managing the system temperature rise across the heat exchanger. When executing a boiler pump replacement, verify the 1-inch flange connections and ensure the impeller is clear of debris to prevent cavitation or premature motor failure in the field.

Key Benefits
  • OEM Compatibility: Serves as a genuine replacement part for the entire Lochinvar PF series, ensuring a perfect fit and standard electrical integration.
  • Corrosion Resistance: The all-bronze volute design prevents rust buildup, which is vital for open or high-oxygen water systems.
  • High Performance: Delivers consistent circulation for residential and commercial heating systems to maintain optimal delta T.
  • Reliable Direct Fit: Replaces obsolete part number 100113054 without the need for extensive piping modifications.
Common Questions

Is the 100166433 pump compatible with all Power-Fin models?
Yes, it is the standardized circulating pump for PF series boilers ranging from the 502 to the 1302 models.

What are the signs that my current circulator pump is failing?
Common indicators include grinding noises from worn motor bearings, leaking around the flange gaskets, or the boiler reaching high-limit temperatures due to poor flow.

Does this unit come with the mounting hardware?
This part number typically refers to the pump and motor assembly. Technicians often recommend inspecting the 2-inch flanges and volute gaskets for wear during installation.

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.

$3,153.38
Lochinvar & A.O. Smith 100166433 Pump
$3,153.38

Lochinvar & A.O. Smith 100166433 Pump

The Lochinvar & A.O. Smith 100166433 Pump is a heavy-duty, all-bronze circulating pump specifically engineered for high-demand hydronic heating applications. Functioning as a 2/5 HP boiler pump, this component is designed for 120V/60Hz operation and is the direct replacement for 100113054. It is primarily utilized within the Lochinvar Power-Fin (PF) series, including models PF 502 through PF 1302. Its bronze construction ensures superior corrosion resistance, making it an essential HVAC part for maintainting system longevity and efficient heat transfer. Technicians should note that this circulating pump is critical for achieving the required GPM flow rate and managing the system temperature rise across the heat exchanger. When executing a boiler pump replacement, verify the 1-inch flange connections and ensure the impeller is clear of debris to prevent cavitation or premature motor failure in the field.

Key Benefits
  • OEM Compatibility: Serves as a genuine replacement part for the entire Lochinvar PF series, ensuring a perfect fit and standard electrical integration.
  • Corrosion Resistance: The all-bronze volute design prevents rust buildup, which is vital for open or high-oxygen water systems.
  • High Performance: Delivers consistent circulation for residential and commercial heating systems to maintain optimal delta T.
  • Reliable Direct Fit: Replaces obsolete part number 100113054 without the need for extensive piping modifications.
Common Questions

Is the 100166433 pump compatible with all Power-Fin models?
Yes, it is the standardized circulating pump for PF series boilers ranging from the 502 to the 1302 models.

What are the signs that my current circulator pump is failing?
Common indicators include grinding noises from worn motor bearings, leaking around the flange gaskets, or the boiler reaching high-limit temperatures due to poor flow.

Does this unit come with the mounting hardware?
This part number typically refers to the pump and motor assembly. Technicians often recommend inspecting the 2-inch flanges and volute gaskets for wear during installation.

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.

Product Information

Shipping & Returns

Description

The Lochinvar & A.O. Smith 100166433 Pump is a heavy-duty, all-bronze circulating pump specifically engineered for high-demand hydronic heating applications. Functioning as a 2/5 HP boiler pump, this component is designed for 120V/60Hz operation and is the direct replacement for 100113054. It is primarily utilized within the Lochinvar Power-Fin (PF) series, including models PF 502 through PF 1302. Its bronze construction ensures superior corrosion resistance, making it an essential HVAC part for maintainting system longevity and efficient heat transfer. Technicians should note that this circulating pump is critical for achieving the required GPM flow rate and managing the system temperature rise across the heat exchanger. When executing a boiler pump replacement, verify the 1-inch flange connections and ensure the impeller is clear of debris to prevent cavitation or premature motor failure in the field.

Key Benefits
  • OEM Compatibility: Serves as a genuine replacement part for the entire Lochinvar PF series, ensuring a perfect fit and standard electrical integration.
  • Corrosion Resistance: The all-bronze volute design prevents rust buildup, which is vital for open or high-oxygen water systems.
  • High Performance: Delivers consistent circulation for residential and commercial heating systems to maintain optimal delta T.
  • Reliable Direct Fit: Replaces obsolete part number 100113054 without the need for extensive piping modifications.
Common Questions

Is the 100166433 pump compatible with all Power-Fin models?
Yes, it is the standardized circulating pump for PF series boilers ranging from the 502 to the 1302 models.

What are the signs that my current circulator pump is failing?
Common indicators include grinding noises from worn motor bearings, leaking around the flange gaskets, or the boiler reaching high-limit temperatures due to poor flow.

Does this unit come with the mounting hardware?
This part number typically refers to the pump and motor assembly. Technicians often recommend inspecting the 2-inch flanges and volute gaskets for wear during installation.

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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