Reliable Fuel Delivery for Emergency Power and Heating Systems
Our Duplex Fuel Oil Transfer Pump Sets are engineered to provide consistent, high-performance fuel oil supply to emergency generators and boilers. Available in standard, high-pressure, and submersible configurations, these complete skid-mounted systems are customizable to meet a wide range of facility needs—from basic boiler loops to complex multi-generator networks, including heavy oils and specialized industrial applications.
Why Choose Our Duplex Pump Sets?
- Turnkey Simplicity: Fully assembled skid-mounted systems with integrated or remote UL508 control panels for fast, hassle-free installation.
- Custom-Built Flexibility: Configurable for everything from simple boiler loops to high-pressure or submersible multi-generator systems.
- Engineered for Performance: Built to handle heavy oils, high pressures, and even submerged environments—up to 160 feet underwater.
Core Features Across All Models
- Viking gear pumps (internal or external, depending on model)
- Multiple sizes and pressure ratings
- Standard TEFC motors (other options available)
- Schedule 80 piping with malleable iron NPT fittings
- Pump isolation and discharge check valves
- Duplex strainer with differential pressure gauge (Optional)
- Suction and discharge pressure gauges
- Positive flow indication sensor
- Base pan leak alarm for early detection
- Containment skid with 3.0” drip lip and ½” npt drain ports
Model-Specific Enhancements
- High-Pressure Models: Include welded discharge manifolds, gasketed flange bypass relief valves, and three-piece discharge ball valves for enhanced control and durability.
- Submersible Models (U.S. Patent 12,276,278): Feature ABB-Baldor continuous-in-air duty motors and operate reliably in dry or submerged conditions (up to 160 ft). All steel and iron components are coated with marine duty paint for superior corrosion resistance.
Advanced Control Systems
All models include UL508 compliant panels with:
- Disconnects and motor starters
- H-O-A switches and status indicators
- Elapsed time meters
- Alarms for leaks, pump failures, and tank levels
- Relay-based logic for easy maintenance and minimal downtime
- BAS integration for seamless building automation communication
Tested for Total Reliability
Every unit undergoes:
- Hydrostatic pressure testing
- Full control panel functionality testing
- Complete operational run testing
Need a fuel oil transfer solution tailored to your facility?
Contact us today to configure the right system for your application.
Rosemont Remote Options for Hayes Group Fuel Oil Sets
Modern Monitoring, Built for Reliability
For years, Hayes Group’s fuel oil set controls have delivered dependable performance with a straightforward, serviceable relay logic design. Now, with Rosemont Remote, you can offer your customers powerful monitoring and remote access – without compromising that proven reliability.
Option -RR
On-Site Intelligence with a Touchscreen Interface
Bring your system to life with a vibrant 7.6” x 4.3” color touchscreen that displays:
- Pump 1 & Pump 2 run times
- HOA not-in-auto indication
- MCP status
- Pump fail alarm
Also Included:
- Standard alarms (Basin Leak, Pump Fail)
- Display of any optional alarms ordered
- Event log for reviewing system history
- Modbus or BacNet connectivity to Building Management Systems
Relay logic remains at the core – ensuring the system stays serviceable and independent of OEM intervention.
Option -RM
Remote Monitoring from Anywhere
Take it one step further with cloud connectivity. With -RM, users can:
- Login to view live system status
- Receive text alerts when alarms occur
- Monitor system health from any device, any location
Peace of mind, even when you’re off-site.
Reliable. Serviceable. Now Smarter Than Ever.
Ask about integrating Rosemont Remote into your next Hayes Group fuel oil set.
