Should You Replace a Rusty Zurn PRV? A pressure-reducing valve keeps home water pressure at a safe level. When it fails, the whole plumbing system can feel the strain. This is common with older Zurn Wilkins pressure-reducing valves. One example is the Zurn Wilkins Model 1-NR3XL. This valve is often used on the main water… Continue reading Should You Replace a Rusty Zurn PRV?