How Do I Know If I Need a Water Softener System?
You likely need a water softener if you see scale buildup on faucets, glassware spots that won’t go away, soap that won’t…
Read AnswerFrequently Asked Questions
Straight answers to the questions our customers ask most — covering plumbing, heating, cooling, and electrical service across our service area.
What Are the Benefits of Installing a Water Softener System in My Home?
A water softener removes calcium and magnesium from your water, which protects every appliance, fixture, and pipe in your home from scale…
Read AnswerCan Mainstream Fix Hard Water Issues in My Home?
Yes — Mainstream resolves hard-water issues in homes throughout the Spokane area. After a quick water test we recommend the right fix,…
Read AnswerWhat Is the Average Lifespan of a Water Softener System?
A quality water softener lasts 10 to 15 years on average, with the resin bed lasting roughly 10–12 years and control valves…
Read AnswerWhen Should You Replace Your Water Softener System?
Replace your water softener when it’s 10+ years old, when softness is returning despite proper salt levels, when major valve or motor…
Read AnswerCan Mainstream Fix My PVB?
Yes — Mainstream’s licensed plumbers repair, test, and replace pressure-vacuum breakers (PVBs) on residential and commercial systems. We carry common rebuild kits…
Read AnswerHow Does a Pressure Vacuum Breaker Work?
A pressure-vacuum breaker (PVB) protects your home’s drinking water from contamination by automatically blocking backflow if the water main loses pressure. It…
Read AnswerDoes a Vacuum Breaker Affect Water Pressure?
A pressure-vacuum breaker (PVB) causes a slight pressure drop — usually 2 to 5 PSI — but should not noticeably affect your…
Read AnswerWhat Is a Pressure Vacuum Breaker?
A pressure-vacuum breaker (PVB) is a backflow-prevention device that protects the drinking water supply from contamination. It’s most commonly installed on lawn…
Read AnswerCan Mainstream Repair or Replace My Backflow Preventer If Its Damaged or Leaking?
Yes — Mainstream’s licensed and certified backflow technicians repair, rebuild, and replace damaged or leaking backflow preventers of all common types (PVB,…
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