
Honeywell
L404T1063/U High‑Pressure Limit Controller for Oil Burner Systems
High‑Pressure Limit Controller for Oil Burner Systems
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | High-Pressure Limit Controller |
| Pressure Range | Typically high limit range (varies by setting) |
| Differential | Fixed or adjustable depending on configuration |
| Switch Type | SPDT snap-acting switch |
| Sensor Element | Stainless steel diaphragm |
| Connection | Standard pipe thread |
| Operating Temperature | -35°F to 150°F |
| Application | Oil burner pressure safety limit control |
Notes
Product Overview
The L404T1063/U is a high-pressure limit controller typically used in oil burner systems and related combustion equipment for over-pressure safety monitoring. Designed for dependable limit protection, this controller helps prevent unsafe pressure conditions in burner and boiler installations.
With rugged construction and reliable SPDT switching, it is suited for commercial and industrial oil burner pressure control and safety applications.
Key Features
- Designed for high-pressure safety limit control
- Robust nickel or stainless steel sensing diaphragm
- SPDT snap-acting switch for dependable operation
- Standard pipe thread mounting
- Suitable for oil burner systems
Packaging & Delivery
- Protective industrial packaging
- Export packing available
- Multiple shipping methods supported
- Bulk orders shipping available
Frequently Asked Questions (FAQ)
Q: What is the primary function of this controller?
A: Over-pressure safety limit control in oil burner systems.
Q: Is it suitable for industrial use?
A: Yes, it is designed for commercial and industrial applications.

