1. Water Heaters New/Used Products
  2. sku: 5604415796103604
  3. KNOX 4100HL

KNOX COMPANY 4100HL Upper Electric Hlc Thermostat Element Water Heater

4100hl Knox Company Electric Upper With Hlc Thermostat Element Water Heater

( Brand: Knox Company ), ( Manufacturer Part Number: 4100HL ), ( Type: Thermostat )

Review KNOX COMPANY Electric Upper Hlc Thermostat Element Water Heater

The Knox 4100HL Electric Upper HLC Thermostat Element for water heaters is a high-performance, reliable solution designed to maintain optimal water temperature in your heating system. This element is specifically engineered for use in upper heating locations in both residential and commercial water heating applications.

This Knox thermostat element is constructed with high-quality, heavy-duty materials to ensure durability and long service life. The heating element is made from pure element nickel chromium alloy, which provides superior heat transfer and resistance to corrosion. The thermostat is constructed from heat-resistant, glass-reinforced polyamide, ensuring excellent stability and temperature control.

The Knox 4100HL thermostat element features a self-regulating design that maintains a consistent water temperature by automatically adjusting the power input to the heating element based on the surrounding water temperature. This design ensures efficient energy use and helps to minimize energy waste.

The element is designed to fit into standard inch NPT threaded connections, making installation quick and easy. The thermostat housing is also equipped with a convenient threaded access port for easy temperature adjustment.

The Knox 4100HL Electric Upper HLC Thermostat Element is compatible with a wide range of water heating systems, including both new and existing installations. Its universal design and versatile size make it a popular choice for homeowners and professionals seeking a reliable and effective heating solution.

With its high-quality materials, self-regulating design, and easy installation, the Knox 4100HL Electric Upper HLC Thermostat Element is the ideal choice for maintaining consistent water temperature and efficient energy use in your water heating system.

The Knox 4100HL Electric Upper HLC Thermostat Element Water Heater is a popular choice for those seeking to replace the heating element in their water heater. Here are some pros and cons that might help you make an informed decision:

Pros:

1. Easy Installation: The Knox 4100HL thermostat element is designed for easy installation. It comes with clear instructions and all necessary hardware for most standard water heaters.

2. Durable: This heating element is made of high-quality materials and is designed to last longer than standard heating elements.

3. Energy Efficient: The Knox 4100HL element is Energy Star certified, which means it meets or exceeds energy efficiency guidelines set by the U.S. Environmental Protection Agency and the U.S. Department of Energy.

4. Adjustable Thermostat: The thermostat on this element is adjustable, allowing you to customize the temperature to your preference.

5. Cost-Effective: Replacing the heating element instead of the entire water heater can save you money in the long run.

Cons:

1. Limited Compatibility: The Knox 4100HL element is designed for use with electric water heaters with a 50-gallon capacity and a 208-240V voltage range. It may not be compatible with all water heaters.

2. Expensive: While replacing the heating element is generally less expensive than purchasing a new water heater, the Knox 4100HL element is pricier than some other options on the market.

3. Potential for Electrical Shock: As with any electrical appliance, there is a risk of electrical shock during installation. It is important to follow safety precautions and consult a professional if you are unsure.

In conclusion, the Knox 4100HL Electric Upper HLC Thermostat Element Water Heater offers several advantages, including easy installation, durability, energy efficiency, adjustable thermostat, and cost-effectiveness. However, it has limited compatibility and is more expensive than some other options. Ultimately, the decision to purchase this heating element depends on your specific needs and budget. If you have a compatible electric water heater and can afford the cost, the Knox 4100HL element could be a good investment for longer-term savings and improved performance.

Recommendation: I would recommend considering the Knox 4100HL Electric Upper HLC Thermostat Element Water Heater for those who have an electric water heater with a 50-gallon capacity and a 208-240V voltage range, and who are looking for a durable, energy-efficient, and customizable heating solution. It may require a larger upfront investment, but it could save money and provide better performance in the long run. However, it is important to ensure compatibility and follow safety precautions during installation.

Details:

Qty 1 new Knox qty.

part #: 4100hl prices

  • $10.00-$33.99

specifications wateheat:

  • brand: Knox Company
  • mpn: 4100hl
  • type: Thermostat

returns wateheat:

  • policy: No Returns

shipping wateheat:

  • transit: 4-9 Days
  • service: USPS Ground Advantage
  • carrier: USPS
  • type: Calculated
  • cost: $8.85
  • class: Standard

payments wateheat:

  • other
  • wallet: Apple-pay
  • credit card: Diners-club

offer wateheat:

  • sold: 0
  • best offers: True
  • options: Ship-to-home
  • availability: In Stock
  • quantity: 1
  • started: October 18, 2025

general wateheat:

  • condition: New
  • Heating, Cooling Air > Water Heaters > Water Heater Parts

seller wateheat:

  • city: Newport, Pennsylvania
  • rating: 97.9%
  • # reviews: 160
type: thermostat,
category: home & garden > heating, cooling air > water heaters > water heater parts, sku: 5604415796103604,

Knox Company 4100HL Is Similar To:

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4 offers $10.00–$33.99 USD
  • Offer #1: $14.45 price + $3.00 shipping estimate = $17.45* total.+$3.00 shipping
  • Offer #2: $33.99 price + $0.00 shipping estimate = $33.99* total. New In sealed package as shown.FREE SHIPPING
  • Offer #3: $10.00 price + $5.00 shipping estimate = $15.00* total. Comes with everything seen in pictures. Condition is new old stock.+$5.00 shipping
  • Offer #4: $15.19 price + $5.30 shipping estimate = $20.49* total. Sporting Goods. Water Heater Thermostat Upper with High Limit.+$5.30 shipping

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