Water hammer arrestor

What’s in this rate

This unit is installing one water hammer arrestor on domestic water. The plumber installs the arrestor at the branch or fixture supply and connects. The rate is per each arrestor. PRV, expansion tanks, and isolation valves are separate units.

Build-up

Labor 0.4 hr × $72.00 wage and burden

$28.80

Material and small tools

$42.10

Direct rate (labor, material, and tools)

$70.90 / EA

Overhead 10% of direct

$7.09

Fee 10% of (direct and overhead)

$7.80

Loaded rate

$85.79 / EA

Related rates

• Water closet flushometer floor — $710.39 / EA
• Dielectric union — $57.23 / EA
• Gate valve isolation — $80.95 / EA

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