Pentair Max-E-Pro Impeller 1HP and 1.5HP C105-238PBZ
Pentair
SKU: C105-238PBZ
Pentair Sta-Rite Max-E-Pro 1 HP / 1.5 HP Pool Pump Impeller | C105-238PBZ
The Pentair C105-238PBZ Pump Impeller Assembly is a genuine OEM replacement part designed for compatible Sta-Rite Max-E-Pro, Max-E-Glas II, and Dura-Glas II swimming pool pumps. This impeller is designed for specified 1 HP full-rated and 1.5 HP up-rated pump configurations.
Manufactured to Pentair's original equipment specifications, the C105-238PBZ helps restore proper water circulation and hydraulic performance when replacing a worn, cracked, clogged, or damaged original impeller.
Product Features
- Genuine Pentair OEM: Original manufacturer replacement impeller assembly.
- 1 HP Full-Rated / 1.5 HP Up-Rated: Designed for compatible pump configurations within these horsepower classifications.
- Max-E-Pro Compatibility: Fits select Sta-Rite Max-E-Pro swimming pool pumps.
- Additional Pump Applications: Compatible with specified Max-E-Glas II and Dura-Glas II models.
- Hydraulic Performance: Moves water through the pump and directs it toward the diffuser and pump housing.
- Durable Construction: Molded plastic impeller designed for pool pump operating conditions.
- Direct OEM Replacement: Manufactured for pumps specifically requiring Pentair C105-238PBZ.
Product Specifications
- Manufacturer: Pentair
- Brand: Pentair / Sta-Rite
- Manufacturer Part Number: C105-238PBZ
- Distributor Part Number: STA-101-8552
- Product Type: Swimming Pool Pump Impeller Assembly
- Horsepower Application: 1 HP Full-Rated / 1.5 HP Up-Rated
- Material: Molded Plastic
- Compatible Pump Series: Max-E-Pro, Max-E-Glas II, Dura-Glas II
- Approximate Product Weight: 0.28 lb
- Distributor Shipping Dimensions: 5" x 5" x 3.5"
- UPC: 788379911218
- Package Quantity: 1 Impeller Assembly
Compatible Pentair and Sta-Rite Pool Pumps
The Pentair C105-238PBZ is designed for select pump models, including:
- Sta-Rite Max-E-Pro P6E6E-206L
- Sta-Rite Max-E-Pro P6R6E-206L
- Sta-Rite Max-E-Pro P6EA6F-206L
- Sta-Rite Max-E-Pro P6RA6F-206L
- Sta-Rite Max-E-Pro 348150
- Sta-Rite Max-E-Glas II P4EA6F-187L
- Sta-Rite Max-E-Glas II P4E6E-187L
- Sta-Rite Max-E-Glas II P4E62E-187L
- Compatible Sta-Rite Dura-Glas II pump models specifically requiring C105-238PBZ
Compatibility Notice: Pentair manufactures different impellers for different motor horsepower and pump configurations. Verify the exact pump model and original impeller part number before ordering.
What Does a Swimming Pool Pump Impeller Do?
The impeller is a rotating component inside the swimming pool pump's wet end. As the motor turns the impeller, its blades move water outward into the diffuser and pump housing, creating the circulation needed to move water through the pool filtration system.
A properly functioning impeller is essential for maintaining the pump's intended hydraulic performance.
When to Replace Your Pool Pump Impeller
Impellers can become worn or damaged due to debris, cavitation, improper operation, or normal equipment deterioration.
- Cracked or broken impeller blades
- Damaged impeller hub or mounting threads
- Excessive wear or deformation
- Impeller damage caused by foreign objects
- Reduced water circulation traced to impeller damage
- Rubbing or interference between the impeller and diffuser
- Physical damage discovered during pump rebuilding
Troubleshooting: Low water flow can also result from clogged filter cartridges, suction restrictions, air leaks, or other pump problems. Inspect the complete system before replacing the impeller.
Related Pentair Sta-Rite Replacement Parts
Complete your Max-E-Pro pump repair with these related products available from Aqua Pool Supply.
- Pentair C105-238P – 3/4 HP Full-Rated / 1 HP Up-Rated Pump Impeller – Genuine Pentair impeller for compatible lower-horsepower Max-E-Pro, Max-E-Glas II, and Dura-Glas II pump configurations. Not interchangeable with C105-238PBZ without verifying the pump application.
- Pool Pump Mechanical Seals & Seal Kits – Find compatible mechanical shaft seals and pump sealing components for wet-end repairs.
Pentair Max-E-Pro Pump Parts Diagram
Use our Pentair Max-E-Pro Pump Parts Diagram to identify additional compatible replacement components.
The illustrated parts diagram includes impellers, diffusers, mechanical seals, seal plates, strainer baskets, O-rings, and other pump components.
Installation Instructions
- Turn off the swimming pool pump and disconnect electrical power.
- Prevent automatic or scheduled pump operation during servicing.
- Close applicable isolation valves and completely relieve system pressure.
- Drain the pump and disassemble the wet end according to Pentair's service instructions.
- Remove the diffuser and access the existing impeller.
- Secure the motor shaft using the manufacturer's recommended method.
- Remove the original impeller, accounting for any model-specific retaining hardware.
- Inspect the mechanical shaft seal, diffuser, and seal plate for damage.
- Confirm that Pentair C105-238PBZ is the correct replacement.
- Install the replacement impeller according to Pentair's instructions.
- Reassemble the diffuser and pump housing using the appropriate seals and hardware.
- Prime the pump, restore power, and inspect for leaks or abnormal operation.
Installation and Maintenance Recommendations
When replacing a pump impeller, inspect the mechanical shaft seal and diffuser for wear or damage. A failed shaft seal may allow water to leak toward the motor, while a damaged diffuser can interfere with proper hydraulic performance.
Use only the correct replacement parts for the specific pump model and horsepower configuration. Improper impeller selection can affect water flow, motor loading, and overall pump performance.
Package Contents
Includes: One (1) Genuine Pentair C105-238PBZ Replacement Pool Pump Impeller Assembly.
Important: This listing includes the impeller assembly only. The diffuser, mechanical shaft seal, seal plate, motor, pump housing, and additional replacement components are sold separately unless specifically included in the manufacturer's packaging.
Compatibility: Designed for specified 1 HP full-rated and 1.5 HP up-rated Sta-Rite Max-E-Pro, Max-E-Glas II, and Dura-Glas II pump configurations. Confirm the original impeller part number before purchasing.
Safety: Never service a swimming pool pump while energized or pressurized. Disconnect electrical power, relieve pressure, and follow Pentair's installation and maintenance instructions.
Questions about returns? View our return policy.
Hours Of Operation:
Monday - Friday: 7:00 am to 5:00 pm Phoenix Time
Saturday: 8:00 am to 2:00 pm
Sunday: Closed
- We do not ship on Saturday or Sunday.
- Orders totaling more than $300 will require signature confirmation upon delivery.
- We process and prepare orders for shipment within 1 business day. Please note that many other pool supply retailers require 3–5 days of handling time before shipping.
- Orders placed after 1:00 pm Phoenix Time may not be eligible for same-day shipment.
- Expedited shipping options are available at checkout.
Return Policy:
- Products that are received damaged will receive a refund in store credit.
- Most products are eligible for return within 30 days of receipt, except where noted below.
- To initiate a return, please complete an RMA form prior to sending your item back.
- Original shipping costs are non-refundable and will be deducted from the return credit.
- Items returned missing accessories or original packaging, or that are not in the same condition as received, may be subject to a restocking fee of up to 100% depending on the condition of the item upon return.
- Some returns will be charged an automatic 15% restocking fee.
- We are unable to issue refunds for items that have been damaged or rendered inoperable due to installer error.
- Please complete the return form to receive your RMA number and return shipping label.
- Chemical products are not eligible for return under any circumstances.
- The Pentair Colorsync 618031 is not eligible for return.
- Pool cleaners are not eligible for return.
- Opened seals and o-rings are not eligible for return.
- Capacitors are not eligible for return.
- Plastic popup tools are not eligible for return.
- Automation components and circuit boards are not eligible for return.
- If a light is returned due to a reported malfunction and is found to be fully operational upon testing, return shipping costs and a restocking fee will be deducted from the refund.
- Orders refused at the time of delivery will be subject to the original shipping costs being deducted from the refund.
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