Williams Comfort Products O-474 Adjustable Pin Spanner

Product Description

The WILLIAMS COMFORT PRODUCTS O-474 is an adjustable pin spanner wrench designed for tightening and loosening spanner nuts and retaining rings across a range of diameters. The tool adjusts to fit spans from 2 inches up to 4.75 inches, making it versatile for service calls that involve multiple fitting sizes. At 0.93 pounds, it is a lightweight hand tool suited for HVAC, plumbing, and mechanical service work. Technicians use it wherever a standard wrench cannot engage a slotted or pin-style fastener. Its adjustable design reduces the number of individual spanners a technician needs to carry in the field.

The O-474 is used in residential and light commercial service applications where spanner nuts secure pump housings, bearing retainers, filter canisters, or similar threaded components. It is a practical addition to a service technician's toolkit for any job requiring precise engagement with pin-style fastener interfaces. Trade professionals including HVAC technicians, plumbers, and pool service technicians commonly reach for this tool during equipment teardown and reassembly.

Key Features

• Adjustable span range from 2 inches to 4.75 inches covers a wide variety of spanner nut sizes
• Lightweight at 0.93 pounds for reduced hand fatigue during extended service work
• Pin-style engagement suits slotted retaining rings and spanner nuts that standard wrenches cannot grip
• Single-tool versatility reduces the need to carry multiple fixed-size spanners
• Sold individually, suitable for direct replacement or toolbox stocking

Compatibility

Designed as a general-purpose adjustable pin spanner for use with spanner nuts and retaining rings in the 2-inch to 4.75-inch diameter range across HVAC, plumbing, and mechanical service applications.

Installation Notes

This is a hand tool requiring no installation. Before using on any equipment, power down or de-energize the unit and relieve any system pressure per standard lockout/tagout procedures. Ensure the spanner pins are fully seated in the target fastener slots before applying torque to avoid slipping and damaging the fastener face. Use is appropriate for licensed technicians and qualified service personnel following applicable trade codes and equipment manufacturer guidelines.

Technical Specifications

• Adjustment Range: 2 inches to 4.75 inches
• Weight: 0.93 pounds
• Unit of Measure: Each
• Minimum Order Quantity: 1
• UPC: 662459104144

Standard Information

• Brand: WILLIAMS COMFORT PRODUCTS
• Manufacturer Part Number: O-474