Williams Comfort Products O-471 Adjustable Pin Spanner

Product Description

The WILLIAMS COMFORT PRODUCTS O-471 is an adjustable pin spanner wrench designed for tightening and loosening threaded collars, rings, and retaining nuts commonly encountered in HVAC, plumbing, and mechanical service work. The wrench adjusts to fit shaft or collar diameters from 3/4 inches up to 2 inches, making it a versatile hand tool for a range of fastener sizes. At 0.27 pounds, it is a lightweight tool suited for both bench work and field service. Licensed technicians and skilled tradespeople use pin spanners where standard open-end or socket wrenches cannot engage a slotted or holed retaining feature.

The O-471 is appropriate for residential and light commercial service applications. It is well suited for adjusting pump couplings, motor shaft retaining rings, valve packing nuts, and similar components that require pin-style engagement. The adjustable range covers the most common collar and ring sizes found in HVAC equipment, circulator pumps, and plumbing fixtures, reducing the need to carry multiple fixed-size spanner wrenches on a service call.

Key Features

• Adjustable pin engagement spans 3/4 inches to 2 inches in diameter
• Lightweight at 0.27 pounds for easy carry and one-handed use
• Designed for slotted collars, retaining rings, and holed fasteners
• Sold individually as a single unit

Compatibility

Designed as a general-purpose adjustable pin spanner wrench suitable for threaded collars and retaining rings with diameters between 3/4 inches and 2 inches across HVAC, plumbing, and mechanical service applications.

Installation Notes

Pin spanner wrenches are typically used by HVAC technicians, plumbers, and mechanical service professionals during equipment maintenance or component replacement. Always de-energize electrical equipment and shut off fluid supply before servicing any rotating assembly or valve component. Ensure the pins are fully seated in the slots or holes of the fastener before applying torque to avoid slippage and damage to the work piece.

Technical Specifications

• Adjustable Range: 3/4 inches to 2 inches
• Weight: 0.27 pounds
• Unit of Measure: Each
• UPC: 662459104106

Standard Information

• Brand: WILLIAMS COMFORT PRODUCTS
• Manufacturer Part Number: O-471