Stop risking cross-contamination at critical wash points. This compact back flow preventer installs in tight plumbing runs and blocks reverse flow to protect potable supplies during high-use cycles. Manufacturers specify 1/4" male connections and a 1/4" close nipple to match standard pre-rinse faucet assemblies and minimize adaptors.
LongDescription#@#NA#@@#Cleaning Instructions#@#Unplug related fixtures and shut water. Remove the Fisher 2542 backflow preventer and wipe external threads with a cloth and mild detergent. Soak the 1/4" nipple in warm, soapy water and brush ports with a soft brush. Rinse thoroughly and air dry. Reinstall and test for leaks under normal pressure. Clean weekly where grease or mineral buildup appears to prevent contamination, fires, and equipment failure.#@@#Additional Info#@#Fisher 2542 backflow preventer connects 1/4" male to 1/4" male with a close nipple, offering certified backflow protection for pre-rinse faucets. Weighs 0.88 lbs, supports 0.01-20 oz., and meets NSF standards for foodservice use.#@@#General Info#@#Description #@#
Stop risking cross-contamination at critical wash points. This compact back flow preventer installs in tight plumbing runs and blocks reverse flow to protect potable supplies during high-use cycles. Manufacturers specify 1/4" male connections and a 1/4" close nipple to match standard pre-rinse faucet assemblies and minimize adaptors.
Quarter Inch Connections
Installers receive 1/4" M x 1/4" M ports that mate directly with common faucet fittings. The direct connections reduce leak points and simplify assembly in confined under-sink spaces.
Integrated Nipple
The unit ships with a 1/4" close nipple to provide a sealed, low-profile link between valve and fixture. That inclusion eliminates a separate procurement step and accelerates service completion.
Compact Footprint
Design fits beneath counters and inside sink cabinets where space limits component choices. Facilities maintain required backflow protection without redesigning plumbing layouts.
Regulatory Compatibility
The device meets NSF requirements for backflow prevention in foodservice environments. Food service managers and hospital administrators can document compliance during inspections.
Flow Capacity Range
Engineers can expect reliable operation across small flow demands from 0.01 to 20 oz. per cycle, supporting intermittent spray valves and metered fittings. The range suits cafeteria lines, bar sinks, and clinic handwash stations.
Durable Construction
Materials and machining provide consistent sealing under repeated use, supporting long service intervals in high-turnover operations. Technicians performing routine maintenance will find the component straightforward to inspect and replace.
Weight registers at 0.88 pounds, enabling streamlined inventory handling for service trucks and parts lockers. Distribution teams benefit from compact packaging and predictable stocking requirements.
#@@#Delivery Details#@#
• Please ensure to handle the product with utmost care.
• Check if the product you have received has all the essential parts and accessories.
• Make sure to examine the product for damage before signing the delivery receipt.
• Contact customer service for delivery concerns.
• Delivery times may vary based on location.#@@#deliverynotes#@#NA#@@#Maintenance Guide#@#Inspect the Fisher 2542 back flow preventer monthly for mineral buildup and corrosion. Shut supply, disassemble the 1/4" M connections and the 1/4" nipple, then flush with clean water; use a soft-bristled brush to remove deposits. Replace worn seals using manufacturer parts and torque fittings to recommended values. Verify installation by pressurizing system and monitoring for leaks. Record maintenance dates and parts replaced for compliance and traceability.
