Pentair 071660Z Set Screw – 4-40 × 1-1/8″
Part Number: 071660Z
Description
A stainless-steel socket-cap set screw sized 4-40 thread x 1-1/8″ length, designed for secure fastening in Pentair pump assemblies and related equipment.
Compatibility & Fitment
- Fits Pentair IntelliFlo® VF/VS, WhisperFlo®, IntelliPro® VS+SVRS and similar pump models specifying a 4-40 x 1-1/8″ screw.
- Use when the original screw is stripped, corroded, missing, or fails to hold the component securely.
- Direct replacement for systems listing part number 071660Z.
Features & Specifications
- Thread size: 4-40 (UNF).
- Length: 1-1/8″ (approx. 1.125″).
- Head style: Socket cap (requires hex key/Allen wrench).
- Material: 18-8 stainless steel for corrosion resistance in pool environments.
- Single unit screw (sold individually).
Installation Notes
Isolate electrical power and ensure equipment shutdown before servicing. Remove the existing set screw and clean the screw hole and mating thread. Insert the new 071660Z screw and tighten to the manufacturer’s torque specification. After installation, confirm the component is secure and the pump system operates without vibration or loosening.
Maintenance Tip
During annual service, inspect set screws for signs of corrosion, thread wear or slack. Replace any screw that shows damage or fails to maintain tightness to ensure safe and reliable equipment operation.