
Honeywell
L404F1409/U Wide‑Range Pressure Controller for Steam & Air Systems
Wide‑Range Pressure Controller for Steam & Air Systems
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Wide-Range Pressure Controller |
| Pressure Range | 2 to 200 psi |
| Differential | Adjustable |
| Switch Type | SPDT snap-acting switch |
| Sensor Element | Stainless steel diaphragm |
| Connection | 1/4 inch NPT internal thread |
| Operating Temperature | -35°F to 150°F |
| Application | Steam, air, and non-combustible gas control |
Notes
Product Overview
The L404F1409/U is a wide-range pressure controller designed for steam and air pressure systems requiring flexible switching and robust limit control. It delivers automatic reset and repeatable performance across a broad operating range.
This controller suits industrial steam boilers, compressed air systems, and non-combustible gas pressure applications where wide operating flexibility and reliable switching are needed.
Key Features
- Wide pressure range support
- Adjustable differential for adaptable control
- Durable stainless steel diaphragm
- SPDT snap-acting switch for dependable operation
- Suitable for steam, air, and gas systems
Packaging & Delivery
- Industrial protective packaging
- Standard export packaging
- Air, sea, and freight shipping supported
- Bulk shipment available
Frequently Asked Questions (FAQ)
Q: What is the operating range of this controller?
A: It supports a wide range from low to high steam and air pressure values.
Q: Is this controller adjustable?
A: Yes, it features adjustable differential and switch settings.

