Williams Comfort Products JHW3538M Service Wrench 38MM

Product Description

The WILLIAMS COMFORT PRODUCTS JHW3538M is an ultra-thin pattern service wrench engineered for professional use on jam nuts and fasteners in confined or restricted-access spaces. With a 38 MM opening and an overall length of approximately 7.625 inches, this wrench delivers reliable torque in tight quarters where standard wrenches cannot reach. The 30-degree offset head provides the clearance needed to work efficiently without repositioning the tool repeatedly. The satin-chrome finish resists corrosion and provides a professional look that holds up under daily shop and field use. This tool is appropriate for HVAC technicians, plumbers, and general mechanical tradespeople who regularly service equipment with limited clearance around fasteners.

This wrench is suited for residential and light commercial service applications where jam nuts and similarly low-profile fasteners are common. Its ultra-thin profile makes it particularly useful in HVAC cabinet work, gas appliance servicing, and plumbing rough-in scenarios where standard open-end or combination wrenches are too thick to seat properly. It is sold as an individual unit and is a practical addition to any field service kit requiring metric fastener coverage.

Key Features

• Ultra-thin pattern designed for jam nuts and access to confined areas
• 30-degree offset head improves clearance and reduces repositioning during use
• 38 MM opening accommodates metric fasteners common in HVAC and plumbing applications
• Satin-chrome finish provides corrosion resistance and durability
• Meets Federal Specification GGG-W-636E Type 17-Class 3

Compatibility

Designed as a professional-grade service wrench for use with 38 MM metric fasteners and jam nuts across HVAC, plumbing, and general mechanical service applications.

Installation Notes

This wrench should be used by qualified trade professionals familiar with fastener torque requirements for the specific application. Always ensure the wrench opening is fully seated on the fastener before applying force to avoid rounding. Shut off equipment and de-energize or isolate any system before servicing fasteners on live mechanical, gas, or electrical assemblies. Inspect the wrench for cracks or wear before each use.

Technical Specifications

• Opening Size: 38 MM
• Overall Length: 7.625 inches
• Head Offset: 30 degrees
• Finish: Satin-Chrome
• Weight: 0.56 pounds
• Width: 2.5 inches
• Height: 0.3 inches
• Federal Specification: GGG-W-636E Type 17-Class 3
• UPC: 662459318886

Standard Information

• Brand: WILLIAMS COMFORT PRODUCTS
• Manufacturer Part Number: JHW3538M