Resideo L4006A1827/B Aquastat
The Resideo L4006A1827/B Aquastat is a heavy-duty, immersion-type boiler temperature controller engineered for precise high or low limit regulation in hydronic heating systems and storage tanks. This SPST aquastat features a liquid-filled sensing element that triggers a totally enclosed micro snap-acting switch upon temperature rise to the set point, ensuring immediate circuit interruption for equipment protection. Designed for versatile field installation, the unit supports both horizontal and vertical mounting and includes a visible control point scale with an external adjustment screw for streamlined calibration in the field. With an operating range of 100°F to 240°F and a fixed differential, this aquastat controller provides the reliability required for commercial hydronic systems and residential boiler applications. The 3/8-inch by 2-7/8-inch copper sensing bulb ensures rapid thermal response, while the rugged gray housing protects internal components from harsh mechanical room environments. This Honeywell Resideo aquastat is the industry standard for maintaining safe operating temperatures and preventing thermal overrun in closed-loop heating cycles.
Key Benefits- Universal Compatibility: Mounts horizontally or vertically to fit existing boiler tappings and immersion wells.
- Precise Thermal Response: Copper sensing bulb provides accurate temperature detection for high limit protection.
- Simplified Calibration: External screw-drive adjustment allows for fast set-point changes without removing the cover.
- Reliable Switching: Enclosed SPST micro switch prevents debris interference, ensuring consistent contact breaking on temperature rise.
- Durable Construction: UL-recognized and CSA-certified design built to withstand 200 psi capillary pressure.
Is the L4006A1827/B a high-limit or low-limit controller?
This model is primarily used for high-limit protection, breaking the circuit as temperature rises to the set point, but can be utilized for low-limit regulation if the system configuration requires contacts to open on a rise.
Can I use this aquastat for direct immersion?
Yes, the sensing element is designed for direct immersion or use within an immersion well, provided the bulb bottoms out for accurate heat transfer.
Does this unit require a manual reset?
No, the L4006A1827/B is an automatic reset controller; it will restore the circuit once the sensed temperature drops below the set point minus the fixed differential.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Resideo L4006A1827/B Aquastat
The Resideo L4006A1827/B Aquastat is a heavy-duty, immersion-type boiler temperature controller engineered for precise high or low limit regulation in hydronic heating systems and storage tanks. This SPST aquastat features a liquid-filled sensing element that triggers a totally enclosed micro snap-acting switch upon temperature rise to the set point, ensuring immediate circuit interruption for equipment protection. Designed for versatile field installation, the unit supports both horizontal and vertical mounting and includes a visible control point scale with an external adjustment screw for streamlined calibration in the field. With an operating range of 100°F to 240°F and a fixed differential, this aquastat controller provides the reliability required for commercial hydronic systems and residential boiler applications. The 3/8-inch by 2-7/8-inch copper sensing bulb ensures rapid thermal response, while the rugged gray housing protects internal components from harsh mechanical room environments. This Honeywell Resideo aquastat is the industry standard for maintaining safe operating temperatures and preventing thermal overrun in closed-loop heating cycles.
Key Benefits- Universal Compatibility: Mounts horizontally or vertically to fit existing boiler tappings and immersion wells.
- Precise Thermal Response: Copper sensing bulb provides accurate temperature detection for high limit protection.
- Simplified Calibration: External screw-drive adjustment allows for fast set-point changes without removing the cover.
- Reliable Switching: Enclosed SPST micro switch prevents debris interference, ensuring consistent contact breaking on temperature rise.
- Durable Construction: UL-recognized and CSA-certified design built to withstand 200 psi capillary pressure.
Is the L4006A1827/B a high-limit or low-limit controller?
This model is primarily used for high-limit protection, breaking the circuit as temperature rises to the set point, but can be utilized for low-limit regulation if the system configuration requires contacts to open on a rise.
Can I use this aquastat for direct immersion?
Yes, the sensing element is designed for direct immersion or use within an immersion well, provided the bulb bottoms out for accurate heat transfer.
Does this unit require a manual reset?
No, the L4006A1827/B is an automatic reset controller; it will restore the circuit once the sensed temperature drops below the set point minus the fixed differential.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
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Shipping & Returns
Description
The Resideo L4006A1827/B Aquastat is a heavy-duty, immersion-type boiler temperature controller engineered for precise high or low limit regulation in hydronic heating systems and storage tanks. This SPST aquastat features a liquid-filled sensing element that triggers a totally enclosed micro snap-acting switch upon temperature rise to the set point, ensuring immediate circuit interruption for equipment protection. Designed for versatile field installation, the unit supports both horizontal and vertical mounting and includes a visible control point scale with an external adjustment screw for streamlined calibration in the field. With an operating range of 100°F to 240°F and a fixed differential, this aquastat controller provides the reliability required for commercial hydronic systems and residential boiler applications. The 3/8-inch by 2-7/8-inch copper sensing bulb ensures rapid thermal response, while the rugged gray housing protects internal components from harsh mechanical room environments. This Honeywell Resideo aquastat is the industry standard for maintaining safe operating temperatures and preventing thermal overrun in closed-loop heating cycles.
Key Benefits- Universal Compatibility: Mounts horizontally or vertically to fit existing boiler tappings and immersion wells.
- Precise Thermal Response: Copper sensing bulb provides accurate temperature detection for high limit protection.
- Simplified Calibration: External screw-drive adjustment allows for fast set-point changes without removing the cover.
- Reliable Switching: Enclosed SPST micro switch prevents debris interference, ensuring consistent contact breaking on temperature rise.
- Durable Construction: UL-recognized and CSA-certified design built to withstand 200 psi capillary pressure.
Is the L4006A1827/B a high-limit or low-limit controller?
This model is primarily used for high-limit protection, breaking the circuit as temperature rises to the set point, but can be utilized for low-limit regulation if the system configuration requires contacts to open on a rise.
Can I use this aquastat for direct immersion?
Yes, the sensing element is designed for direct immersion or use within an immersion well, provided the bulb bottoms out for accurate heat transfer.
Does this unit require a manual reset?
No, the L4006A1827/B is an automatic reset controller; it will restore the circuit once the sensed temperature drops below the set point minus the fixed differential.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
