What is a reduced pressure principle backflow preventer?
A reduced pressure principle backflow preventer protects potable water systems by preventing contaminated water from entering due to backsiphonage or backpressure. It is commonly used in high-hazard environments like hospitals, labs, and food-processing facilities.
2. Where can the Zurn 1-975XL2 be installed?
The 975XL2 is suitable for indoor and outdoor installations, following local plumbing codes. It can be installed above ground with 12-30 inches of clearance from the floor and an air gap to prevent flooding.
3. Is this model lead-free?
Yes, the 975XL2 is lead-free, compliant with NSF/ANSI 61 and 372 standards, making it safe for potable water systems.
4. What maintenance does the 975XL2 require?
This backflow preventer features replaceable internal components, including seals and elastomers, which can be serviced without removing the unit from the pipe. Regular inspections and testing are recommended.
5. What sizes are available for the Zurn 975XL2?
This model is available in ¾”, 1”, 1¼”, 1½”, and 2” sizes, making it suitable for a variety of applications