About This

【Powerful Backflow Prevention】AQOVOR's 9D-M2 3/4" Check Valve Backflow Preventer features a precision dual-check valve design that effectively blocks contaminated water from flowing back into hot and cold water lines. Tailored for small-scale water supply pipelines, it delivers robust protection, ensuring your drinking water remains safe and uncontaminated at all times
【Universal Compatibility】This 3/4" Backflow Preventer Valve features NPT female threads (industry standard specification), simplifying selection. Temperature tolerance: 33°F–250°F (0.5°C–121°C). Operating pressure: 25–175 psi (1.7–12.1 bar). Suitable for smaller supply lines in lab equipment, processing tanks, sterilizers, and dairy equipment. Specifically designed for boiler feed lines. Direct replacement for watts 9D-M2
【Durable Construction】AQOVOR's 9D-M2 3/4" Check Valve Backflow Preventer Crafted from highly durable forged brass body with stainless steel internal components, suitable for hot or cold water and designed for continuous pressure use. Features an integrated filter and two durable, tight-seating rubber check valves, ensuring long-lasting performance even under harsh conditions
【User-friendly design】Cast-in ‘INLET’ & ‘VENT’ labels eliminate installation guesswork - no peeling stickers or faint markings. Raised brass lettering is legible for life, ensuring proper orientation and preventing reverse connections from causing leaks. Can be installed vertically or horizontally, providing flexibility in your installation
【AQOVOR Service】 Purchasing products is more than just a transaction—it's a commitment. By choosing AQOVOR, you become part of our team. This means exceptional service, straightforward warranty policies, and a hassle-free return process. No matter what happens, we're always here for you