The Plumbing Connection

Volume 1 | Issue 3

Brought to you by Herkowski Stickler & Associates

Your Trusted Rep Solution Since 1931

Tech Talk

Murdock Maintenance Advantage!

Lost Your Key? No Problem...


Murdock provides a one key tool to unlock the Murdock Maintenance Advantage features on the A171 and A172 water coolers, but what happens if you misplace it and need to service the unit? Below is a list of three basic tools you can use to service your unit in a bind.


Flat-Head Screwdriver

  • The plastic pushbutton can be removed with a flat-head screwdriver.


Needle Nose Pliers

  • The VR push button, regulator retaining ring, and lower check stop can be removed with needle nose pliers.


1/4" Allen Wrench

  • The lower check stop also has a 1/4" Allen key socket molded into it.


9/64" Allen Wrench

  • You can access the filter through the EZ Filter Door with a 9/64" Allen Wrench.

Tools Need:

Be sure to contact your HSA Sales Rep for a replacement key!

Learn More About the Murdock Maintenance Advantage 

What's Happening at HSA?

Untitled Design

Our Newest Product Line!

Herkowski Stickler & Associates is excited to announce that effective February 27, 2023, we now proudly represent LAARS Heating Systems Company in the greater Chicago, northern Illinois, and northwest Indiana markets!

The Bradford White Training Trailer

Our Bradford White Training Trailer is officially complete! The Training Trailer features water heater models and parts for plumber training.

Manufacturer Highlights

NUPI is excited to release their new ELOFIT fittings for geothermal applications. ELOFIT is a complete High Density Polyethylene system of electrofusion and spigot fittings and special components for the transport of water and gas under pressure.

Learn More

Check out the Features & Benefits video for Elmdor Drywall Access Doors. These are low-profile access doors suitable for a variety of projects. They can be used in masonry, tile, wood, and multiple other wall and ceiling surfaces. They are available in a wide range of sizes and come primed and ready for painting.

More Elmdor Products

Industries We Serve


HSA has a new landing page on our website. Here you can view our extensive assortment of stock used within a variety of markets, from health care to retail, residential to municipal. Providing merchandise from leading manufacturers that have developed lines specifically for the industries we serve, HSA is able to meet the needs of organizations quickly with the best product for the situation.

Choose an Industry

Upcoming Events

Learn More

2023 Illinois PHCC EXPO and Education Day


Come out and see us at Illinois PHCC EXPO North, on Friday, March 17, 2023 at the Drury Lane Conference Center. The Bradford White Training Trailer will be onsite!

Check Our Product Lines

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Herkowski Stickler & Associates

203 South Curtis Road, Milwaukee, WI 53214 

890 Supreme Drive, Bensenville, IL 60106