Name: Pentair IntelliFlo3 4-Terminal Plug-In Terminal Block | 8023304Z
Brand: Pentair
SKU: 8023304Z
Price: 12.94 USD
Availability: InStock

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Not sure it fits? See this part on the interactive diagram IntelliFlo3 VSF 3HP

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Pentair 8023304Z 4-Position Plug-In Screw Terminal (Terminal Block)

The Pentair 8023304Z is a 4-position plug-in screw terminal (terminal block) used for low-voltage wiring connections on compatible Pentair automation and pump communication systems. It provides four screw-clamp terminals for secure wire termination and a plug-in connector body that mates with the receiving header on supported boards/equipment.

Key Details

Manufacturer: Pentair
Part Number: 8023304Z (often referenced as 8023304)
Type: Plug-in screw terminal / terminal block
Positions: 4
Use: Low-voltage wiring connections (commonly used for RS-485 style communication wiring on supported systems)

Common Uses

Replacing a missing, cracked, or damaged 4-position plug-in terminal on compatible Pentair automation/control systems
Restoring a secure communication/wiring connection where the original terminal no longer clamps wires reliably
Service replacement when a terminal is corroded, stripped, or intermittently disconnecting due to poor clamping

Why It Matters

Helps prevent intermittent communication issues caused by loose or oxidized wire terminations
Makes service easier by allowing wiring to remain in the plug while disconnecting/reconnecting at the equipment header
Provides a clean, organized termination point for 4-conductor low-voltage wiring runs

When to Replace

Screw heads are stripped or will not tighten
Terminal body is cracked, heat-damaged, or deformed
Wires pull out easily or must be over-tightened to hold
Intermittent pump/automation communication or erratic behavior traced to a loose terminal connection

Installation Notes

Turn off power to the equipment at the breaker before servicing any control system or pump wiring.
Move one wire at a time from the old terminal to the new terminal to preserve wire order.
Use clean, properly stripped conductors; avoid nicking strands on stranded wire.
Tighten screws firmly so the wire cannot move, but do not overtighten to the point of stripping the terminal.
After installation, gently tug each wire to confirm it is clamped securely before restoring power.

Maintenance Tip

If you service the equipment regularly, recheck low-voltage terminal screws once or twice per season. Vibration and thermal cycling can loosen connections over time, which can cause intermittent communication issues that mimic equipment failure.

Related Products (Aqua Pool Supply)

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.