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  2. sku: 3269387373145611
  3. HONEYWELL REGULATOR L109

HONEYWELL REGULATOR L109 Aquastat Thermostat Controller

L109 Honeywell Regulator Vtg Old Surface Aquastat 1 Thermostat Controller Parts

( Brand: Honeywell Regulator ), ( Manufacturer Part Number: L109 ), ( Part Type: Thermostat Controller ), ( Power Source: Electric ), ( Color: Brown ), ( Material: Metal ), ( Thermostat Shape: Round ), ( Mounting: Wall-mounted ), ( Sensor Technology: Temperature ), ( Control Style: Analog/mechanical ), ( Country/region Of Manufacture: United States ), ( Programmability: Non-programmable )

Review HONEYWELL REGULATOR Vtg Old Aquastat Thermostat Controller Parts

The Honeywell Regulator L109 VTG Aquastat Thermostat Controller is a essential component in heating systems, designed to maintain a consistent temperature and ensure optimal performance. This aquastat thermostat controller is engineered with precision and durability, making it a trusted choice for both residential and commercial applications.

At its core, the L109 VTG is an electromechanical thermostat that uses a bimetallic element to sense temperature changes. The thermostat housing is made of brass, providing excellent heat conductivity and resistance to corrosion. The thermostat element is sealed in a glass tube filled with mercury, ensuring accurate temperature readings and long-lasting performance.

The L109 VTG is designed to work with open-vent heating systems and is compatible with a wide range of boilers and water heaters. The controller has a temperature range of 120 F to 180 F (49 C to 82 C), allowing it to effectively regulate temperatures in various heating applications.

One of the key features of the L109 VTG is its adjustable temperature setting. The thermostat has a simple, intuitive dial that allows users to adjust the temperature to their desired setting. The dial is marked with clear, easy-to-read degrees Fahrenheit, ensuring precise temperature control.

The L109 VTG also includes a built-in bypass switch, which allows for manual override of the thermostat. This is particularly useful during system maintenance or when making adjustments to the heating system. The switch is located on the side of the controller, making it easily accessible for quick adjustments.

The thermostat is also designed with safety in mind. It includes a high-limit switch that activates when the temperature exceeds a certain level, preventing damage to the heating system and ensuring the safety of occupants.

Overall, the Honeywell Regulator L109 VTG Aquastat Thermostat Controller is a reliable and effective solution for maintaining consistent temperatures in heating systems. Its precision engineering, adjustable temperature setting, and built-in safety features make it a trusted choice for heating professionals and DIY homeowners alike.

Honeywell Regulator L109 VTG Aquastat Thermostat Controller: A Comprehensive Analysis

The Honeywell Regulator L109 VTG Aquastat Thermostat Controller is a popular choice for heating systems due to its durability, reliability, and functionality. In this analysis, we will discuss the pros and cons of investing in this product.

Pros:

1. Precise Temperature Control: The L109 VTG Aquastat ensures precise temperature control by continuously monitoring the water temperature and adjusting the heating system accordingly.

2. Durable Construction: The device is built with high-quality materials, making it resilient against wear and tear, which results in a long service life.

3. Easy Installation: The installation process is straightforward, and most users can complete it without professional assistance, saving both time and money.

4. Energy Efficiency: The L109 VTG Aquastat can help improve the energy efficiency of your heating system by maintaining consistent temperatures, reducing the need for frequent heating cycling.

5. Temperature Range: The thermostat can be adjusted to a wide temperature range, providing flexibility to cater to different user preferences and heating system requirements.

Cons:

1. Limited Compatibility: This aquastat controller is specifically designed for use with Honeywell boilers and may not be compatible with other brands or models.

2. Manual Adjustment: The temperature setting must be manually adjusted on the device, which may be inconvenient for some users who prefer digital interfaces.

3. No Display: The L109 VTG Aquastat does not have a display, making it challenging to monitor the temperature setting at a glance.

4. Limited Features: Compared to more advanced thermostats, the L109 VTG Aquastat lacks some features, such as programmability or wireless connectivity.

Conclusion:

The Honeywell Regulator L109 VTG Aquastat Thermostat Controller is a robust and reliable solution for temperature control in heating systems. Its precise temperature control, durability, and energy efficiency make it an excellent investment for those using Honeywell boilers. However, its limited compatibility, lack of display, and manual adjustment may be drawbacks for some users.

Recommendation:

If you are looking for a simple and effective temperature control solution for your Honeywell boiler system and are not concerned with advanced features, the Honeywell Regulator L109 VTG Aquastat is an excellent choice. However, if you require a more advanced thermostat with programmability, wireless connectivity, or a digital display, you may want to consider other options.

Details:

Sold for collectible use. Shows wear and use as shown. Barn fresh, not cleaned. Sold for parts or fix up.

Vintage surface aquastat controller up for bid and sold as is. Old and original guaranteed.

part #: l109 price

  • $200.02

specifications thermoditto:

  • brand: Honeywell Regulator
  • mpn: L109
  • part type: Thermostat Controller
  • power source: Electric
  • color: Brown
  • material: Metal
  • thermostat shape: Round
  • mounting: Wall-mounted
  • sensor technology: Temperature
  • control style: Analog/mechanical
  • country/region of manufacture: United States
  • programmability: Non-programmable

shipping thermoditto:

  • cost: $13.10
  • type: Calculated
  • carrier: USPS
  • service: USPS Priority Mail
  • class: Expedited
  • transit: 4-9 Days

seller thermoditto:

  • # reviews: 5265
  • city: Lunenburg, Vermont
  • rating: 100.0%

returns thermoditto:

  • policy: No Returns

general thermoditto:

  • condition: Used
  • Heating, Cooling Air > Thermostats > Non-programmable Thermostats

offer thermoditto:

  • sold: 0
  • started: March 30, 2025
  • availability: In Stock
  • options: Ship-to-home
  • quantity: 1

payments thermoditto:

  • credit card: Diners-club
  • wallet: Paypal
  • other
part type: thermostat controller, power source: electric, thermostat shape: round, mounting: wall-mounted, sensor technology: temperature, control style: analog/mechanical, country/region of manufacture: united states, programmability: non-programmable,
category: home & garden > heating, cooling air > thermostats > non-programmable thermostats, color: brown, material: metal, sku: 3269387373145611,

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