Replacements and upgrades can be necessary to maintain a plumbing system that is working properly. If you are in need of a replacement Zurn Wilkins XL600 (1.5″ pressure reducing Valve, you have come to the right page.

We will show you how to replace a Zurn Wilkins XL600 valve (1.5″). We will cover everything from the preparation stage to the installation to ensure that it is a seamless and efficient process.

Gather the Tools and Materials

Gather all required materials and tools before beginning the replacement. It may be necessary to gather a pipe wrench or adjustable wrench as well as Teflon Tape, a tube cutter, soldering tools (if applicable), a replacement valve, and other materials needed for your installation.

Shut down the water supply

To begin any plumbing job, you must first turn off the main water valve. To prevent water flowing through the new valve, locate the main water supply and shut off the valve. Be sure to turn off the water completely before you begin.

Drain the System

Draining the system is necessary to avoid water leakage. To release any remaining water, open all drain valves and faucets nearby. Be sure that the system has been completely drained prior to replacing the valve.

Remove the Old Valve

Using a pipe breaker or adjustable nut wrench, disconnect all fittings and pipes attached to the old Zurn Wilkins XL600 XL600. Removing the valve from its mount is a delicate process. Make a note of how the valve is configured and where it is located to use as a guide when you install the new one.

Prepare the New Valve

Inspect the valve before installation to ensure it is free of any damage or defects. Teflon taping can be used to seal the threaded ends to the fittings. Soldering may be required. Use proper techniques to ensure a smooth and clean connection.

Install the New Valve

Align the fittings of the Zurn Wilkins XL600 with the corresponding pipe. Hand-tighten the fittings to ensure they are correctly aligned. Then use a torque wrench to firmly tighten all the connections. But be careful not to over-tighten as you could damage the fittings or valve.

Test the Installation

It is important to test your system after the valve has been installed. Slowly turn the water on and check around the connections for any leakage. Monitor the system for several minutes to make sure there aren’t any signs of leakage.

Make adjustments if necessary

Some minor adjustments may be needed after initial installation. You should inspect all connections and fittings if there are any minor leaks. Adjust the fittings as necessary, for example, by tightening them or adding additional Teflon to ensure an airtight seal.


The replacement of a Zurn Wilkins XL600 pressure reducing valve (1.5″) may appear to be a difficult task. However, with careful preparation and implementation, the job can be completed successfully. Following the guide in this blog and replacing the valve will ensure that you have a reliable plumbing system.

It is important to remember the following: gather all the required tools and materials; shut off the supply of water; drain the system; remove the existing valve and prepare and install a new one. Then test and adjust the installation if needed.