Challenger High Pressure Power End CH-N1-2FE 208-230 | 355676
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Challenger high pressure pumps are designed for applications where standard circulation pumps cannot maintain the needed head, including long plumbing runs, elevated spas, and restrictive return systems. The CH-N1-2FE, 2-1/2AE designation identifies an energy efficient 2 HP full-rated / 2.5 HP up-rated, 208-230V configuration, so matching that code on the pump nameplate is critical when ordering a power end. Replacement power ends like 355676 are usually covered under Pentair’s parts warranty for manufacturing defects, with eligibility tied to correct installation, wiring, and operation inside published limits; always confirm the current terms in Pentair’s warranty literature and your sales invoice.
Q: What models does the 355676 power end fit? A: It is intended for Pentair Challenger high pressure pumps labeled CH-N1-2FE, 2-1/2AE running on 208-230V with a 2 HP full-rated / 2.5 HP up-rated energy efficient configuration; always verify the nameplate before ordering. Q: Can I use this assembly on a lower horsepower Challenger pump? A: No. Using a 2-1/2AE-rated power end on a lower HP system can overload the hydraulics or mismatch performance; select the power end that matches your exact model and HP rating.
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Description
Description
Challenger High Pressure Power End CH-N1-2FE 208-230 355676
OEM Pentair Challenger high-pressure power end CH-N1-2FE, 2-1/2AE, 2 HP full-rated / 2.5 HP up-rated energy efficient, 208-230V, part 355676.
Features
Direct-fit power end for 2 HP full-rated / 2.5 HP up-rated Challenger high-pressure CH-N1-2FE, 2-1/2AE models.Energy-efficient, single-speed design for 208-230V high-head pool and spa systems. Factory-assembled section helps restore stable pressure and reduce noise on aging pumps.
Description
This Challenger high-pressure pump power end assembly is specified for Pentair CH-N1-2FE, 2-1/2AE energy-efficient models operating on 208-230 volt circuits, where a 2 HP full-rated / 2.5 HP up-rated motor is needed to drive high-head hydraulics. Replacing the complete power end restores the motor, shaft interface, and internal alignment that control how efficiently the pump can build and sustain pressure across long plumbing runs and raised features. Compared to piecing together a rebuild from multiple worn parts, installing this matched assembly usually delivers better priming, quieter operation, and more consistent pressure on tough Challenger high-pressure applications.
Pro Tip
Pair this power end with the correct Challenger high-pressure impeller 355604 and a new mechanical seal so the new motor is not saddled with worn hydraulic components or old sealing surfaces, which can cause overheating and leaks.
Related Parts
Challenger High‑Pressure Pump Impeller 2F, 2‑1/2A | 355604
Challenger High Pressure Pump Power End CH-N1-1-1/2FE, 2AE std. 208-230 | 355675
Installation Tips
Shut off and lock out power at the breaker before servicing the pump, and verify that your nameplate reads CH-N1-2FE, 2-1/2AE with 208-230V before installing this assembly. Support the motor and housing during removal and reassembly to avoid stressing rigid plumbing, then fully prime the pump, check for leaks, confirm rotation, and monitor pressure and flow during initial startup.
Specifications
Specifications
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Warranty
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We want you to have quick and easy access to warranty information for all the brands we carry. Please click on the links below to view each manufacturer’s warranty page:
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Note: Warranty coverage, registration, and service terms are provided directly by the manufacturer. Please review the details carefully to ensure proper understanding of coverage and claim procedures.
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