750,021M REV. E 03/2008 | Lennox Hearth ADK45CPB, ADK45CBS, ADK40CPB

Bend The Arch Tab 90 Degrees

Into The Glass Frame U-channel

Inside Top Corner View

of Glass and Arch

Figure 2

Glass Frame U-Channel

Step 9. Position the glass door and arch assembly in front of the fire- box opening with the bottom of the door held away from the fireplace. Hook the top flange of the door frame over the top of the firebox frame. Let the bottom of the door frame swing gently in towards the fireplace ensuring that the gasket seats evenly as the door frame draws shut. Fasten the two latches located underneath the firebox floor to the door’s vee-flange. Close both the latches securely.

Step 10.Reinstall the modesty panel.

Step 11.Reinstall the bottom compartment door.

Step 12. Close the bottom radiant panel or louver assembly.

Top of Appliance

Top Radiant Panel

Top of Door Frame

Hood must be installed as shown.

Figure 3 - Clean Face

Top of Appliance

Louver Assembly

Top of Door Frame

Hood must be installed as shown.

Figure 4 - Louvered Face

Step 13.Reinstall the top radiant panel/hood assembly, or hood and lou- ver assembly. Make certain that the hood is installed as shown in Figure 3 (clean face models) or Figure 4 (louvered models). The fireplace must not be operated without the hood installed as shown in these figures.

Note - Do not reinstall the top and bottom bustle with this arch door kit installation. Keep them for any possible future re-decorating.

Part B - Merit, Merit Plus & SSDV Series Fireplaces

Step 1. Slightly lift and pull the existing top radiant panel/hood assembly away from the fireplace, or pull hood and slightly lift and pull the existing louver assembly away from the fireplace.

Step 2. Open the bottom compartment door (either a radiant panel or louver assembly) by pushing in simultaneously the left and right top corners of the door. (The door is hinged at the bottom.)

Step 3. Open the two glass door latches located underneath the firebox.

Step 4.Remove the door from the fireplace by swinging the bottom of the door outward and lifting it up and away.

Step 5.Center the arch door over the glass frame as shown in Figure 1. Press the arch door onto the glass frame and bend the four corner tabs into the frame’s U-channel as shown in Figure 2.

Step 6. Position the glass door and arch assembly in front of the firebox opening with the bottom of the door held away from the fireplace. Hook the top flange of the door frame over the top of the firebox frame. Let the bottom of the door frame swing gently in towards the fireplace ensuring that the gasket seats evenly as the door frame draws shut. Fasten the two latches located underneath the firebox floor to the door’s vee-flange. Close both the latches securely.

Step 7. Reinstall the top radiant panel/hood assembly or hood and louver assembly. Make certain that the hood is installed as shown in Figure 3 (clean face models) or Figure 4 (louvered models). The fireplace must not be operated without the hood installed as shown in these figures.

Step 8. Close the bottom radiant panel or louver assembly.

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.

Lennox Hearth Products reserves the right to make changes at any time, without notice, in design, materials, specifications, prices and the discontinuance of colors, styles and products. Consult your local distributor for fireplace code information.

P/N 750,021M REV. E 03/2008

1110 West Taft Avenue • Orange, CA 92865

ADK22CMBS, ADK45CBS, ADK24CPB, ADK40CBS, ADK35CMPB specifications

The Lennox Hearth ADK series represents a sophisticated collection of direct vent gas fireplaces designed to enhance both aesthetics and functionality in home heating. The lineup includes models ADK40CPB, ADK45CPB, ADK35CMBS, ADK33CPB, and ADK33CBS, each tailored to suit different spaces and style preferences.

One of the main features of the ADK series is its advanced heat exchanger technology, which optimizes heat output while maximizing energy efficiency. This design allows for a higher thermal efficiency rating, ensuring that homeowners can enjoy warm, comfortable spaces without excessive energy costs. The models integrate a direct vent system that pulls air from outside and expels exhaust gases, ensuring that indoor air quality remains uncompromised.

Each unit offers customizable options, including various finish choices and decorative fronts, which allow homeowners to select a style that best fits their interior décor. The ADK40CPB and ADK45CPB feature larger viewing areas, providing a grand focal point within larger living spaces. These models come equipped with a multi-function remote control that enables effortless operation, allowing users to adjust flame height and heat settings from across the room.

The ADK35CMBS, with its compact design, is ideal for smaller rooms while still offering impressive heat output. The ADK33CPB and ADK33CBS models are particularly versatile, fitting seamlessly into a variety of installations, whether as a centerpiece in a family room or an accent in a den.

Safety features across the series include a built-in safety shut-off system, ensuring peace of mind for families. Additionally, the entire lineup is designed with easy access for maintenance and cleaning, allowing homeowners to keep their fireplaces in top condition without hassle.

Overall, the Lennox Hearth ADK series combines elegant design, superior efficiency, and user-friendly technology to deliver an exceptional heating solution. Whether for a contemporary space or a more traditional setting, the ADK models provide both warmth and ambiance, making them an excellent choice for discerning homeowners looking to elevate their living environment.