9.To clean exterior surfaces, use a solution of water and mild detergent with a wrung-out damp cloth. Rinse and wring out the cloth and wipe the exterior surfaces again. Finally, wipe with a dry cloth. Allow sufficient time to dry before plugging the electrical cord into the outlet.

10.Replace tank. Plug in the unit and resume normal use.

CHANGING THE UV BULB

1.If the “REPLACE UV BULB” indicator illumi- nates during normal use, it is time to change the UV bulb, which is a special 3.5W bulb.

2.Press “POWER/MODE” touch switch to the “OFF” position, unplug it and allow it to cool.

3.Remove the water tank from the base of the

humidifier.

GF-211D Shown

4.Place the base of the humidifier over the sink and tilt the unit to remove any remaining water.

5.Carefully turn the base of the humidifier over and place it upside down on a flat level surface. You will see a door that is closed with a screw.

6.Using a Phillips head screwdriver, carefully turn the screw(s) counterclock- wise until the screw(s) separate from the door.

7.Open the door. The UV light bulb will be visible.

8.Take a replacement 3.5W UV bulb that you purchased from Slant/Fin Corporation or another supplier and change the bulb. To prolong the life of the bulb, limit your direct contact with the glass of the bulb by using a cloth or tissue to screw it into place.

9.When the new bulb is in place, close the door and replace the screw(s) by using your Phillips head screwdriver and rotating it clockwise until it is just tight. DO NOT OVER TIGHTEN.

10.DO NOT turn power on, while UV Lamp Door is open, and do not view illu- minated bulb directly because eye damage may occur.

11.Turn the unit upright, place the water tank on top of the base of the humidifi- er, plug the unit in, and push “POWER/MODE” touch switch to either the “HI” or “LO” position. The “REPLACE UV BULB” indicator should no longer be lit.

IMPORTANT NOTE: Even though you will not receive maximum germicidal effects, you can still use your humidifier until the replacement bulb arrives.

NOTE: You will hear a rattling sound and notice a small round object inside your bulb. This is normal. Your bulb is fully operational.

Lamp contains mercury. Manage in accordance with disposal laws. See www.lamprecycle.org or call 1-800-895-8842

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Slant/Fin GF-211D warranty Changing the UV Bulb
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GF-211D specifications

The Slant/Fin GF-211D is a powerful and efficient gas-fired boiler designed for residential heating applications. This model exemplifies modern heating technology, offering both efficiency and reliability to homeowners. One of the standout features of the GF-211D is its exceptional heating output, making it suitable for various home sizes and heating demands. With a high BTU rating, it ensures that even larger homes can maintain a comfortable temperature during the coldest months of the year.

A central characteristic of the Slant/Fin GF-211D is its advanced design, which incorporates a cast-iron heat exchanger. This component is known for its durability and excellent heat retention capabilities, allowing the boiler to operate efficiently while providing consistent heat. The cast-iron construction also contributes to the longevity of the unit, minimizing the risk of wear and tear over time.

Another notable feature is the GF-211D’s utilization of a low-water cut-off. This technology enhances safety by preventing the boiler from operating when water levels are too low, protecting against potential damage. Additionally, the integrated venting system is designed for maximum efficiency, allowing for easy installation and reducing the risk of heat loss.

The Slant/Fin GF-211D boasts an Energy Star rating, highlighting its commitment to energy efficiency. Homeowners can expect lower energy bills and reduced environmental impact when utilizing this boiler. The unit is compatible with various heating systems, including hydronic and baseboard heating, providing versatility to meet diverse heating needs.

User-friendly controls are another hallmark of the GF-211D. The intuitive interface allows for easy adjustments to temperature settings and operation modes, empowering homeowners to optimize heating based on their specific requirements. The boiler also features multiple safety mechanisms, ensuring peace of mind during operation.

In summary, the Slant/Fin GF-211D gas-fired boiler stands out for its impressive heating capacity, durable construction, energy efficiency, and advanced safety features. Designed with modern technology in mind, it represents a dependable choice for those seeking an effective heating solution for their homes. With its combination of performance and reliability, the GF-211D is poised to deliver consistent comfort for years to come.
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