

Ships same day if ordered by 12 pm
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The WILLIAMS COMFORT PRODUCTS O-472A is an adjustable pin spanner wrench designed for tightening and loosening threaded collars, retaining rings, and spanner nuts found in HVAC, plumbing, and mechanical service applications. The O-472A covers a working range of 1.25 inches to 3 inches, making it suitable for a wide variety of fastener diameters encountered in trade service work. Weighing just 0.483 pounds, it is a lightweight hand tool intended for professional technicians who need precise torque control on components that require pin-style engagement rather than standard hex or socket drive.
The O-472A is well suited for residential and light commercial service work where spanner-style fasteners are common, including pump assemblies, motor mounts, bearing retainers, and valve packing nuts. Its adjustable design reduces the need to carry multiple fixed-size spanners, making it a practical addition to a field technician's toolkit across HVAC, plumbing, and mechanical trades.
Designed as a general-purpose adjustable pin spanner wrench suitable for spanner nuts and threaded retaining collars within the 1.25-inch to 3-inch diameter range.
This tool is used by licensed HVAC technicians, plumbers, and mechanical service professionals during equipment maintenance or component replacement. Always de-energize and lock out electrical equipment and shut off fluid supply lines before disassembling any assembly requiring a spanner wrench. Use only the appropriate pin size and engagement depth to avoid slipping and damaging the fastener face.
Thanks for subscribing!
This email has been registered!