Pentair - STA-RITE Pump End For 4" Submersible Pump - 1 HP

The Pentair STA-RITE L20P4EH Pump End is part of the Signature 2000® series, engineered for use with 4" submersible pumps in 1 HP configurations. Built for 20 GPM flow performance, this model is equipped with a 7-stage assembly to deliver higher head capacity in demanding conditions. Constructed with heavy-duty 300-grade stainless steel and featuring a removable suction screen, this pump end offers durability and easy serviceability. Its proven SignaSeal™ staging system includes a floating impeller design to handle abrasives and reduce sand lockup, making it ideal for residential water supply, irrigation systems, and light commercial applications.

Key Features:

• 7-stage design supports deeper pumping applications
• SignaSeal™ ceramic wear surface resists sand abrasion
• Threaded, heavy-walled stainless steel shell for strength
• Serviceable suction with integrated stainless steel screen
• Stainless steel shaft and press-fit coupling for motor alignment
• Spring-loaded check valve built into discharge assembly
• Couples to standard NEMA submersible motors

Construction & Durability:

• Shell and suction crafted from 300-grade stainless steel
• Threaded construction enables servicing and part replacement
• Corrosion-resistant materials throughout for long-term use
• Heavy-duty cable guard ensures wire protection

Performance & Functionality:

• Rated for 20 GPM performance at 1 HP
• Supports pumping depths up to approximately 300 ft
• Operates efficiently with 7-stage impeller configuration
• Internal check valve helps prevent backflow and water hammer

Ease of Installation & Use:

• Compatible with standard 4" NEMA motors
• Threaded shell design simplifies installation and servicing
• Removable suction screen for cleaning and maintenance

Technical Specifications:

• Model: L20P4EH
• Horsepower: 1 HP
• Stages: 7
• Flow Rate: 20 GPM
• Material: 300-grade stainless steel
• Shell Construction: Threaded, serviceable
• Suction Type: Removable stainless steel screen
• Check Valve: Internal spring-loaded
• Compatible Motor Mount: NEMA standard 4"
• Weight: 10 lbs

Installation & Application:

• Used in residential, commercial, farm, and turf irrigation systems
• Pairs with Pentair 4" submersible motors
• Rated for 1 HP 230V systems, both 2- and 3-wire configurations

Compatibility & Optional Accessories:

• Compatible with Pentek XE Series motors (P42B0010A2-C, P43B0010A2-C)
• Works with control boxes SMC-CR1021 for 3-wire configurations
• Use with PID20 control panel for circuit protection