Overview
The Wellman 6A426G is a mechanical temperature control thermostat designed for HVAC and refrigeration applications. The Ch21 model variant operates across a 60-250°F temperature range, making it suitable for both heating and cooling systems requiring moderate to high-temperature management. This unit is supplied new in box, ensuring factory-sealed condition and immediate operational capability.
Key Features
- Temperature range: 60–250°F
- Analog/mechanical control design for simple, reliable operation
- Suitable for HVAC and refrigeration system integration
- New in box condition with original packaging
- Proven industrial-grade build quality
Technical Specifications
The following specifications apply to the Wellman 6A426G (6A426G004 variant, 60-250°F range):
| Manufacturer | Wellman Thermal Systems Corp |
| Model Number | 6A426G |
| Temperature Range | 60–250°F |
| Control Type | Analog / Mechanical |
| Application | HVAC & Refrigeration |
| Condition | New in Box |
Typical Applications
The Wellman 6A426G is commonly deployed in:
- Commercial HVAC systems (heating and cooling)
- Industrial refrigeration units and walk-in coolers
- Temperature-controlled process equipment
- Building automation systems requiring simple, fail-safe temperature management
Compatibility & Replacements
Compatible With
- Standard 24V and line-voltage HVAC control circuits
- Refrigeration system control panels
- Direct integration into thermostat wells and immersion fittings
- Legacy and modern HVAC equipment platforms
Replaces / Drop-In Replacement For
The Wellman 6A426G replaces earlier Wellman thermostat models. Related Wellman 6A426G variants include:
- 6A426G001 (30–100°F range)
- 6A426G002 (other temperature variants)
- 6A426G004 (60–250°F range)
Verify exact compatibility and mounting configuration with your system integrator or equipment manual before ordering.
Works With
- Honeywell control modules and relays
- General Electric HVAC controllers
- Standard thermostat mounting plates and wells
- Analog control circuits and electromechanical switching systems
