Williams Comfort Products JHW3519M Service Wrench 19MM

Product Description

The WILLIAMS COMFORT PRODUCTS JHW3519M is an ultra-thin pattern service wrench designed for professional technicians who need reliable access to jam nuts and fasteners in confined or hard-to-reach areas. Built with a 30-degree offset head, this wrench provides clearance and leverage where standard wrenches cannot fit. The 19 MM opening and 6.3-inch overall length make it a precise, purpose-built hand tool suited for HVAC, plumbing, and general mechanical service work. Finished in satin chrome, it resists corrosion and provides a clean, durable surface for long-term shop or field use.

This wrench is intended for use by licensed trade professionals including HVAC technicians, plumbers, and pipefitters who regularly service equipment with tight fastener clearances. It is well suited to residential and light commercial service calls where jam nuts on valves, fittings, or access panels require a low-profile tool. The ultra-thin head profile allows entry into spaces that standard combination or box-end wrenches cannot access.

Key Features

• Ultra-thin pattern designed for jam nuts and confined-area access
• 30-degree offset head for improved clearance and torque angle
• 19 MM opening fits metric fasteners common in HVAC and plumbing applications
• 6.3-inch overall length balances reach and control
• Satin chrome finish resists corrosion and reduces glare
• Meets Federal Specification GGG-W-636E Type 17 Class 3

Compatibility

Designed as a general-purpose metric service wrench suitable for use on 19 MM fasteners and jam nuts encountered in HVAC, plumbing, and mechanical service applications.

Installation Notes

This wrench is intended for use by qualified trade professionals performing service and maintenance tasks. Always shut off power and isolate the system before working on fasteners near energized components or pressurized lines. Use the correct size wrench opening to avoid rounding fastener flats. Inspect the tool for cracks or deformation before each use and replace if damaged.

Technical Specifications

• Opening Size: 19 MM
• Overall Length: 6.3 inches
• Width: 1.7 inches
• Height: 0.3 inches
• Weight: 0.41 pounds
• Finish: Satin Chrome
• Head Offset: 30 degrees
• Federal Specification: GGG-W-636E Type 17 Class 3
• UOM: Each

Standard Information

• Brand: WILLIAMS COMFORT PRODUCTS
• Manufacturer Part Number: JHW3519M