Sprinkler Winterization: Protecting Spokane Valley Systems

2026-03-12

Plumbing Guide

Water left in an irrigation system over winter can freeze and crack the lines. Here is how Spokane Valley homeowners should winterize.

Sprinkler Winterization: Protecting Spokane Valley Systems

Why it matters

Irrigation lines sit shallow and freeze easily. A cracked pipe or valve may not show until spring, when the system is turned back on and leaks everywhere.

Shut off the water

Close the irrigation shutoff and drain what you can from the backflow preventer and the lines.

Blow out the lines

Compressed air blows the remaining water out of each zone. rain and older housing stock mean corroded fittings and slow drains show up often In Spokane Valley, this is the standard method and worth doing right.

The backflow device

The backflow preventer must be drained and protected too — it is the most expensive part to replace.

Winterize before the freeze

Do not wait for the first hard freeze. Call 888-217-3585 and Spokane Valley Plumbing Helpers will match you with a Spokane Valley pro for the blowout.

Plumbing in Spokane Valley: what to know

In Spokane Valley, rain and older housing stock mean corroded fittings and slow drains show up often. Pros in our network know the local quirks and bring the right parts on the first visit.

Across Spokane County — from Liberty Lake, Spokane and Post Falls to ZIP codes like 99216, 99037, 99206 — homeowners deal with the same kinds of issues. The tips above apply locally, and when a job goes beyond a quick fix, a vetted local pro is only a call away.

Need a hand in Spokane Valley?

If a plumbing issue is beyond a quick fix, don't wait for it to get worse. Call 888-217-3585 and Spokane Valley Plumbing Helpers will match you with a vetted local pro — usually within minutes. Learn more about plumbing help in Spokane Valley.

Plumbing emergency or urgent repair? Call now.

Call 888-217-3585 and we'll match you with a vetted plumbing pro in Spokane Valley — usually within minutes.

Emergency? Call Now888-217-3585
Emergency? Call Now888-217-3585