The Fisher 1803 Dual Check Valve 1/2F X 1/2F is a high-precision backflow prevention component designed for commercial plumbing systems. Engineered by Fisher, a trusted brand in fluid control, this dual check valve ensures backflow prevention in water supply lines, offering reliable operation and maintaining water quality. Its primary feature is the dual check mechanism, which provides enhanced protection against backpressure and back-siphonage, making it suitable for use in foodservice facilities requiring dependable fluid isolation. Constructed with durable materials, the valve features 1/2-inch female threads for seamless integration into standard plumbing assemblies, with a compact form factor optimized for space-constrained installations. Its technical specifications include a maximum working pressure of 125 psi and a temperature range up to 180°F, ensuring performance in diverse foodservice environment conditions.
Top Fisher 1803 Features
Designed for commercial plumbing applications, the Fisher 1803 Dual Check Valve provides robust backflow prevention with a stainless steel spring and brass body for longevity. It offers ease of installation with 1/2F x 1/2F threaded connections and minimal maintenance requirements owing to its corrosion-resistant construction. Ideal for use in foodservice water supply lines, it supports safe, reliable flow control in locations like dishwashing stations and beverage lines. With a compact footprint and integrated sealing mechanism, it facilitates straightforward inspection and servicing, improving workflow efficiency for commercial kitchen operators.
- Functionality: Reliable backflow prevention within commercial plumbing setups
- Material Durability: Corrosion-resistant brass body with stainless steel components
- Ease of Maintenance: Simple disassembly for cleaning or part replacement
- Application Fit: Compatible with standard 1/2-inch water supply lines in foodservice facilities
- Workflow Integration: Compact design suitable for tight installation spaces
Use this check valve in water supply lines to ensure compliant, safe operation for foodservice systems.
Fisher 1803 Technical Specs
The Fisher 1803 dual check valve features a brass body finished with a corrosion-resistant coating, measuring 3.5 inches in height, 1.25 inches in width, and 1.5 inches in depth. It operates effectively within a pressure range up to 125 psi and handles water temperatures up to 180°F. The valve employs a dual check mechanism with stainless steel springs, ensuring durability and reliable backflow prevention. Designed for 1/2F female inlet and outlet connections, it is suitable for installation in plumbing lines under typical foodservice operation conditions. The unit's construction facilitates easy disassembly for routine maintenance, with no certifications listed.
- Part Number: 1803
- Material: Brass with stainless steel components
- Maximum Pressure: 125 psi
- Temperature Range: Up to 180°F
- Connection Size: 1/2F female threads
- Electrical Compatibility: Not applicable
- Flow Capacity: Suitable for typical water flow in foodservice systems
- Construction: Corrosion-resistant brass body
- Installation: Requires standard plumbing clearance of approximately 2 inches
- Maintenance: Disassemble for valve inspection and cleaning
What is a commercial dual check valve?
A commercial dual check valve is a fluid control device designed to prevent backflow in water supply systems, ensuring water flows in only one direction. It consists of two independent check mechanisms that provide redundant protection against reverse flow, mainly used in foodservice environments such as restaurants, cafeterias, and beverage stations. The Fisher 1803 dual check valve exemplifies this, featuring brass and stainless steel construction for durability, with 1/2-inch female threaded connections for easy integration into existing plumbing lines. These valves are installed in improve water safety, protect against contamination, and comply with plumbing codes in high-demand commercial foodservice settings.
Top commercial plumbing solutions for foodservice environments
Reliable in water distribution systems, the Fisher 1803 dual check valve offers durable flow control for moderate foodservice workflows, suited for food prep areas, cleaning stations, and beverage lines. Fisher 1803 ensures dependable backflow prevention in commercial kitchens with a compact, corrosion-resistant design, ideal for mid-volume restaurant and catering operations.
- Operation Type — suitable for moderate-volume foodservice plumbing
- Kitchen Type — ideal for compact commercial spaces
- Foodservice Category — applicable in beverage and sanitation systems
- Workload Qualifier — supports typical throughput demands
- Use Case — prevents back-siphonage in water delivery lines
Why Choose Fisher 1803 Dual Check Valve
Fisher 1803 dual check valves outperform similar units with durable brass construction combined with stainless steel springs that resist corrosion and wear. Its compact design enables installation in tight spaces, while the dual mechanism provides redundant backflow prevention. This model's simple disassembly supports straightforward maintenance, enhancing operational efficiency in foodservice settings, and it supports compliant, safe water distribution. Its robust build and reliable performance make it a preferred choice over competing backflow prevention solutions.
- Compact footprint facilitates installation in tight plumbing configurations
- Corrosion-resistant materials extend service life in foodservice environments
- Dual check design ensures redundancy and safety compliance
- Simple disassembly promotes quick maintenance and inspection
- Compatible with standard 1/2-inch female plumbing connections
