Description
The Honeywell L91A1037 is a high-precision proportional Pressuretrol controller engineered for modulating pressure control in steam boilers, HVAC systems, and pneumatic applications. Designed to optimize system efficiency and stability, it delivers smooth, reliable pressure regulation across a 0–15 PSI range.
Specifications:
- Pressure Range: 0 psi to 15 psi
- Switch Operation: Modulating
- Pressure Differential: 25 psi
- Temperature Range (F): 32°F to 150°F
- Max Pressure (PSI): 25










