How Do I Protect My Outdoor Plumbing Fixtures From Arizona Heat?

Arizona’s extreme heat can be just as damaging to plumbing as freezing temperatures. Prolonged exposure to high temperatures and direct sunlight can weaken pipes, damage valves, and cause outdoor plumbing fixtures to fail sooner than expected.

1. Insulate Exposed Outdoor Pipes

Even in hot climates, insulation plays an important role.

Why insulation helps:

• Protects pipes from extreme temperature swings

• Reduces expansion and contraction stress

• Helps prevent cracking and premature wear

Foam pipe insulation or UV-resistant wraps work well for outdoor plumbing in Arizona.

2. Protect Pipes From Direct Sunlight

Constant sun exposure can weaken certain pipe materials over time.

Ways to reduce sun damage:

• Install protective pipe covers

• Use UV-resistant pipe sleeves

• Add shade with fencing or landscaping

This is especially important for PVC and plastic piping.

3. Check and Maintain Outdoor Hose Bibs

Outdoor faucets are often the first fixtures affected by heat.

What to watch for:

• Leaking hose bibs

• Stiff or cracked handles

• Reduced water flow

Regular inspections help catch small issues before they turn into major leaks.

4. Avoid Leaving Hoses Pressurized

Leaving hoses connected and pressurized during extreme heat increases stress on valves and pipes.

Best practices:

• Disconnect hoses when not in use

• Shut off the water supply to outdoor faucets if possible

• Drain hoses after use

This reduces pressure buildup and prevents damage.

4. Avoid Leaving Hoses Pressurized

Leaving hoses connected and pressurized during extreme heat increases stress on valves and pipes.

Best practices:

• Disconnect hoses when not in use

• Shut off the water supply to outdoor faucets if possible

• Drain hoses after use

This reduces pressure buildup and prevents damage.

When to Call a Plumber

Contact a plumber if you notice:

• Cracked or brittle pipes

• Persistent leaks around outdoor fixtures

• Sudden drops in water pressure

Early repairs can prevent larger plumbing failures caused by heat exposure.

Arizona’s intense heat puts outdoor plumbing fixtures under constant stress. By insulating exposed pipes, limiting sun exposure, maintaining outdoor faucets, and scheduling inspections, homeowners can protect their plumbing system and avoid costly repairs.

Call Vertical Plumbing at (480) 577-8720