Description
The Honeywell 50028994-001 Thermostat Range Stop Assembly provides precise mechanical control over thermostat adjustment limits in commercial and industrial HVAC systems. It helps facility teams maintain stable temperature boundaries and supports consistent energy performance across diverse operating environments. Moreover, the component integrates smoothly with several Honeywell thermostat platforms, allowing installers to configure minimum and maximum setpoints with confidence. The compact assembly fits easily into standard thermostat housings, and its durable construction supports long service life in temperature-controlled spaces. In addition, facilities benefit from improved operational consistency because the module prevents accidental or unauthorized thermostat adjustments.
Key Benefits
- Supports accurate mechanical limitation of heating and cooling setpoints.
- Enhances energy efficiency by reducing extreme or unnecessary temperature changes.
- Installs quickly in Honeywell thermostat assemblies without major system modifications.
- Offers stable, repeatable performance for commercial HVAC environments.
- Works reliably with various Honeywell thermostat models, including legacy T87 designs.
Technical Specifications
| Attribute | Details |
|---|---|
| Product Type | Thermostat Range Stop Assembly |
| Model Number | 50028994-001 |
| Manufacturer | Honeywell |
| Weight | 0.1 kg |
| Compatibility | Honeywell thermostats (including T87 series) |
| Function | Mechanical limitation of thermostat temperature range |
| Construction | Compact, durable assembly for HVAC installations |
Typical Applications
This range stop assembly supports HVAC technicians who need consistent temperature management in office buildings, industrial facilities, and energy-controlled production areas. Moreover, it helps building managers enforce temperature boundaries in shared environments where manual thermostat access must remain limited. Facilities also use this component to stabilize climate conditions in laboratories, communication rooms, and light-industrial areas that require predictable thermal regulation.
Support & Maintenance
Routine inspection ensures reliable performance, although the mechanical design typically requires minimal service over its lifespan. Furthermore, professional installation helps maintain proper calibration and guarantees the correct integration with Honeywell thermostats. Many HVAC teams keep spare units in stock because the compact assembly is simple to replace during scheduled maintenance.
FAQ
Q: Which thermostats are compatible with the 50028994-001 assembly?
It works with multiple Honeywell models, including the widely used T87 series.
Q: Does the assembly require calibration after installation?
Most installations require basic alignment to define minimum and maximum setpoints.
Q: Can this component improve energy efficiency?
Yes, because it prevents extreme temperature adjustments that increase HVAC load.
Q: Is the installation suitable for non-Honeywell thermostats?
Compatibility is limited, and most third-party models are not recommended.












