Williams Comfort Products 474A Adjustable Hook Spanner

Product Description

The WILLIAMS COMFORT PRODUCTS 474A is an adjustable hook spanner wrench designed for tightening and loosening slotted or notched collars, rings, and nuts commonly found in mechanical assemblies. The 474A covers a working range of 4.5 inches to 6.25 inches, making it suitable for a variety of fastener and collar sizes encountered in trade service work. At 1.05 pounds, it is light enough for one-handed use in tight spaces. This type of spanner is typically used by HVAC technicians, plumbers, and millwrights when servicing pump housings, bearing retainers, shaft collars, and similar components that require a hook-type engagement.

The 474A is well suited for residential and light commercial maintenance and repair applications. It is commonly used when servicing circulator pumps, fan shaft assemblies, and mechanical components with slotted locking rings. The adjustable design allows a single tool to cover a broad range of collar diameters from 4.5 inches to 6.25 inches, reducing the need for multiple fixed-size spanners on the job.

Key Features

• Adjustable range of 4.5 inches to 6.25 inches accommodates multiple collar and ring sizes
• Hook-style engagement suited for slotted collars, bearing retainers, and notched rings
• Lightweight at 1.05 pounds for ease of use in confined service areas
• Sold individually as a single unit

Compatibility

Designed for general-purpose use with slotted or notched collars and rings measuring between 4.5 inches and 6.25 inches in diameter, typical of pump housings, shaft assemblies, and mechanical retaining hardware found in HVAC and plumbing applications.

Installation Notes

This tool is used by licensed HVAC technicians, plumbers, and mechanical service professionals. Always shut off power and isolate the system before servicing any rotating or pressurized component. Ensure the hook is properly seated in the collar slot before applying torque to avoid slipping and potential injury. Follow all applicable safety codes and equipment manufacturer procedures during service.

Technical Specifications

• Adjustment Range: 4.5 inches to 6.25 inches
• Weight: 1.05 pounds
• Unit of Measure: Each
• UPC: 662459104199

Standard Information

• Brand: WILLIAMS COMFORT PRODUCTS
• Manufacturer Part Number: 474A