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Laars Heating Systems RA2117203 3/4HP 4.75" Impeller Pump Assembly 115V

Rating:
5 5 2
2  Reviews Add Your Review
Special Price $1,792.78 Regular Price $1,989.98
In stock
SKU
RA2117203
Laars Heating Systems RA2117203 3/4HP Impeller Pump Assembly is an essential part of HVAC systems. It works at 115V and has a 4.75-inch impeller to ensure proper water circulation for heat exchange in boilers and hydronic heating systems. It works by developing the required pressure to push water smoothly without heating up and performing at its optimum. It is suitable for both residential use, enhances the use of energy, reduces the expenses of maintenance and also the durability of the equipment. This impeller pump assembly is constructed with high durability and operates with high efficiency for the proper functioning of the heating system.
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HVAC Controls & Electrical, Pumps
Manufacturer:
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Specifications

  • Type: Impeller Pump Assembly
  • Horsepower: 3/4HP
  • Voltage: 3/4HP
  • Size: 4.75"
Manufacturer Name: Laars Heating Systems
Product Number: RA2117203
OEM Part Number: RA2117203
Product Description: 3/4Hp Pump & Motor Assembly
Weight:51.78lbs/23486.99g

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Product Questions (2)
Customer Questions
What maintenance is required for the Laars Heating Systems RA2117203 Impeller Pump Assembly?

Clean the pump housing and impeller regularly to prevent debris buildup and reduced flow. Inspect electrical connections for tightness and corrosion. Ensure proper voltage supply and avoid dry running to prevent overheating and mechanical wear.

What are common issues with the Laars Heating Systems RA2117203 Impeller Pump Assembly?

  • Intermittent pump operation or failure to start.
  • Impeller clogging reducing water flow.
  • Motor overheating during extended use.
  • Seal leakage or worn mechanical seals.
  • Electrical connection faults or voltage drop.

Installation Steps

Step 1: Disconnect power and confirm system is fully de-energized before starting.

Step 2: Close valves and relieve system pressure to avoid fluid leakage during removal.

Step 3: Remove old pump assembly and clean mounting surface thoroughly.

Step 4: Position new impeller pump, align ports correctly, and secure mounting bolts firmly.

Step 5: Reconnect electrical wiring and piping per diagram.

Step 6: Open valves slowly, check for leaks, then restore power and test operation.