
Honeywell
L404V1095/U Low‑Pressure Vacuum Switch for HVAC/Gas Systems
Low‑Pressure Vacuum Switch for HVAC/Gas Systems
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Vacuum / Low Pressure Switch |
| Pressure Range | Low pressure and vacuum range |
| 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 | HVAC, gas systems, vacuum monitoring |
Notes
Product Overview
The L404V1095/U is a low-pressure vacuum and pressure switch designed for monitoring and controlling low pressure or vacuum conditions in HVAC and industrial gas systems. It provides reliable switching when pressure rises or falls beyond the setpoint.
This model is commonly used in combustion air proving, gas supply monitoring, and ventilation control systems where dependable low-pressure detection is required.
Key Features
- Designed for low-pressure and vacuum applications
- Adjustable differential setting
- SPDT snap-acting switch for reliable operation
- Stainless steel diaphragm sensing element
- Standard pipe mounting connection
- Suitable for HVAC and industrial gas systems
Packaging & Delivery
- Protective industrial carton packaging
- Standard export packing
- Shipping by courier, air, or sea
- Bulk order supply available
Frequently Asked Questions (FAQ)
Q: What is this switch used for?
A: Monitoring low pressure or vacuum conditions in HVAC and gas systems.
Q: Does it support adjustable settings?
A: Yes, the differential is adjustable.

