Description
Honeywell L91B1118 Proportional Pressuretrol Controller Overview
The Honeywell L91B1118 is a precision-engineered Proportional Pressuretrol Controller designed for reliable pressure sensing and modulating control across a wide range of HVAC and industrial applications. With a broad 10–300 PSI operating pressure range and a 28–110 PSI pressure differential, this controller delivers accurate, responsive performance in demanding steam, air, and fluid systems.
Key Features
- Wide operating pressure range: 10–300 PSI for versatile system compatibility
- Pressure differential range: 28–110 PSI for precise proportional control
- Single potentiometer design with 140 Ohm resistance output for smooth modulating signals
- 1/4″ NPT external thread connection for straightforward installation
- Compatible with steam, air, noncombustible gas, and other non-corrosive fluids
- Proportional (modulating) control action for stable, energy-efficient system operation
Applications
The L91B1118 is ideally suited for use in commercial and industrial boiler systems, steam distribution networks, compressed air systems, and any HVAC application requiring proportional pressure control. Its compatibility with multiple media types — including steam, air, and noncombustible gases — makes it a versatile solution for a variety of mechanical system configurations.
Specifications
- Model: L91B1118
- Brand: Honeywell
- Control Type: Proportional (Modulating)
- Operating Pressure Range: 10–300 PSI
- Pressure Differential Range: 28–110 PSI
- Potentiometer: Single, 140 Ohms
- Connection: 1/4″ NPT External Thread
- Compatible Media: Steam, Air, Noncombustible Gas, Non-Corrosive Fluids
Why Choose the Honeywell L91B1118?
Honeywell’s L91B1118 Pressuretrol Controller combines rugged construction with proven proportional control technology, making it a trusted choice for HVAC professionals and mechanical contractors. Its single-potentiometer output integrates seamlessly with modulating control systems, enabling precise pressure management that helps reduce energy consumption and extend equipment life.
