Resideo L4081B1047 Controller
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Resideo L4081B1047 Controller

Resideo L4081B1047 Controller

The Resideo L4081B1047 Controller is a high-performance dual element Aquastat engineered for precise hydronic temperature control in multi-zone systems. This High Limit and Circulator Aquastat Controller utilizes sensing bulbs to manage both high-limit protection and circulator pump cycling, ensuring system stability. It features a 130-240 Degree High Limit operating range with a fixed 10-degree differential and a 110-220 Degree Low Limit range with an adjustable 10-25 degree differential. Designed for horizontal mounting, this SPST switch configuration integrates seamlessly into standard wells and handles an insulation depth of 1 1/2 inches. Technical specifications confirm it operates reliably within a 0-95% RH humidity range, making it a rugged choice for demanding boiler rooms. Contractors rely on this Honeywell Home L4081B1047 for its immersion sensing accuracy and its ability to maintain boiler water temperatures effectively while preventing overheating through its reliable high-limit safety circuit.

Key Benefits for Hydronic Systems:
  • Dual-Function Control: Consolidates high-limit safety and circulator control into a single housing, reducing wiring complexity.
  • Precise Differentials: Fixed 10°F high-limit and adjustable 10-25°F low-limit differentials allow for fine-tuned burner and pump sequencing.
  • Flexible Mounting: Specifically designed for horizontal immersion, accommodating standard 1 1/2" insulation depths for versatile applications.
  • Rugged SPST Switching: Provides dependable electrical breaks on temperature rise, essential for preventing boiler over-temperature conditions.
  • Field-Proven Reliability: Operates efficiently in high-humidity environments (up to 95% RH) common in residential and commercial mechanical rooms.
Common Installation and Operation Questions:

What is the purpose of the 10-degree high limit differential on the L4081B1047?
The fixed 10-degree differential ensures the burner does not cycle too frequently once the high-limit threshold is reached, protecting the ignition components while maintaining safe operating temperatures.

Can the L4081B1047 be used with an existing immersion well?
Yes, this controller is compatible with standard Honeywell and Resideo immersion wells (sold separately), provided the insulation depth does not exceed 1 1/2 inches for proper bulb seating.

How do I adjust the low limit differential for circulator control?
The low limit differential is adjustable between 10 and 25 degrees, allowing technicians to optimize the circulator start/stop points based on the specific heat load requirements of the structure.

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.

$106.32

Original: $303.78

-65%
Resideo L4081B1047 Controller

$303.78

$106.32

Resideo L4081B1047 Controller

The Resideo L4081B1047 Controller is a high-performance dual element Aquastat engineered for precise hydronic temperature control in multi-zone systems. This High Limit and Circulator Aquastat Controller utilizes sensing bulbs to manage both high-limit protection and circulator pump cycling, ensuring system stability. It features a 130-240 Degree High Limit operating range with a fixed 10-degree differential and a 110-220 Degree Low Limit range with an adjustable 10-25 degree differential. Designed for horizontal mounting, this SPST switch configuration integrates seamlessly into standard wells and handles an insulation depth of 1 1/2 inches. Technical specifications confirm it operates reliably within a 0-95% RH humidity range, making it a rugged choice for demanding boiler rooms. Contractors rely on this Honeywell Home L4081B1047 for its immersion sensing accuracy and its ability to maintain boiler water temperatures effectively while preventing overheating through its reliable high-limit safety circuit.

Key Benefits for Hydronic Systems:
  • Dual-Function Control: Consolidates high-limit safety and circulator control into a single housing, reducing wiring complexity.
  • Precise Differentials: Fixed 10°F high-limit and adjustable 10-25°F low-limit differentials allow for fine-tuned burner and pump sequencing.
  • Flexible Mounting: Specifically designed for horizontal immersion, accommodating standard 1 1/2" insulation depths for versatile applications.
  • Rugged SPST Switching: Provides dependable electrical breaks on temperature rise, essential for preventing boiler over-temperature conditions.
  • Field-Proven Reliability: Operates efficiently in high-humidity environments (up to 95% RH) common in residential and commercial mechanical rooms.
Common Installation and Operation Questions:

What is the purpose of the 10-degree high limit differential on the L4081B1047?
The fixed 10-degree differential ensures the burner does not cycle too frequently once the high-limit threshold is reached, protecting the ignition components while maintaining safe operating temperatures.

Can the L4081B1047 be used with an existing immersion well?
Yes, this controller is compatible with standard Honeywell and Resideo immersion wells (sold separately), provided the insulation depth does not exceed 1 1/2 inches for proper bulb seating.

How do I adjust the low limit differential for circulator control?
The low limit differential is adjustable between 10 and 25 degrees, allowing technicians to optimize the circulator start/stop points based on the specific heat load requirements of the structure.

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

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Description

The Resideo L4081B1047 Controller is a high-performance dual element Aquastat engineered for precise hydronic temperature control in multi-zone systems. This High Limit and Circulator Aquastat Controller utilizes sensing bulbs to manage both high-limit protection and circulator pump cycling, ensuring system stability. It features a 130-240 Degree High Limit operating range with a fixed 10-degree differential and a 110-220 Degree Low Limit range with an adjustable 10-25 degree differential. Designed for horizontal mounting, this SPST switch configuration integrates seamlessly into standard wells and handles an insulation depth of 1 1/2 inches. Technical specifications confirm it operates reliably within a 0-95% RH humidity range, making it a rugged choice for demanding boiler rooms. Contractors rely on this Honeywell Home L4081B1047 for its immersion sensing accuracy and its ability to maintain boiler water temperatures effectively while preventing overheating through its reliable high-limit safety circuit.

Key Benefits for Hydronic Systems:
  • Dual-Function Control: Consolidates high-limit safety and circulator control into a single housing, reducing wiring complexity.
  • Precise Differentials: Fixed 10°F high-limit and adjustable 10-25°F low-limit differentials allow for fine-tuned burner and pump sequencing.
  • Flexible Mounting: Specifically designed for horizontal immersion, accommodating standard 1 1/2" insulation depths for versatile applications.
  • Rugged SPST Switching: Provides dependable electrical breaks on temperature rise, essential for preventing boiler over-temperature conditions.
  • Field-Proven Reliability: Operates efficiently in high-humidity environments (up to 95% RH) common in residential and commercial mechanical rooms.
Common Installation and Operation Questions:

What is the purpose of the 10-degree high limit differential on the L4081B1047?
The fixed 10-degree differential ensures the burner does not cycle too frequently once the high-limit threshold is reached, protecting the ignition components while maintaining safe operating temperatures.

Can the L4081B1047 be used with an existing immersion well?
Yes, this controller is compatible with standard Honeywell and Resideo immersion wells (sold separately), provided the insulation depth does not exceed 1 1/2 inches for proper bulb seating.

How do I adjust the low limit differential for circulator control?
The low limit differential is adjustable between 10 and 25 degrees, allowing technicians to optimize the circulator start/stop points based on the specific heat load requirements of the structure.

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.