Value Brand
Value Brand Limit Rollout Manual Reset Opens 300°F
A flame rollout limit controller that opens at 300°F with manual reset for 120V and 240V AC systems
- Manual reset prevents automatic restart after overheat
- Opens at 300 °F to stop flame rollout
- SPST switch interrupts power on temperature rise
- Surface-mount base fits standard HVAC panels
- Rated for 120 V AC and 240 V AC control circuits
ZORO SELECT Limit Rollout Controller
This temperature limit controller is designed for HVAC flame rollout protection. It suits technicians and installers who need a manual reset safety switch for gas-fired equipment.
Manual Reset Opens at 300°F
The switch opens on temperature rise at 300 degrees Fahrenheit and requires manual reset to restore operation. It operates on 120V AC or 240V AC input voltage with an SPST contact form for direct circuit interruption.
Surface Mount with Compact Base
The unit mounts directly on a surface using a base measuring 1 1/4 inches by 3/4 inches. Its SPST contact form integrates into existing control circuits without requiring additional control voltage or differential settings.
Highlights
- Manual reset prevents automatic restart after overheat
- Opens at 300 °F to stop flame rollout
- SPST switch interrupts power on temperature rise
- Surface-mount base fits standard HVAC panels
- Rated for 120 V AC and 240 V AC control circuits
Specifications
| Brand | ZORO SELECT |
|---|
Questions about this item
How do I surface-mount this limit rollout and what step causes nuisance trips?
Fasten the 1 1/4 in by 3/4 in base flush to the panel, then route leads away from the heat exchanger so radiant heat does not trick the 300 Degrees F sensor into opening early.
What part will need replacement after the switch opens on a flame rollout event?
The controller is a single-use safety device; once the SPST contacts open at 300 Degrees F the manual reset cannot be reused, so the entire unit must be replaced.
At what temperature does the switch open during sustained over-fire conditions?
The SPST contacts open on rise at 300 Degrees F and stay open until manually reset, making 300 Degrees F the first and only thermal limit under continuous operation.
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