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Masonry Firebox
Model MFP- 75
Rev 06/2017

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Summary of Contents for mFi MASON-LITE MFP- 75

  • Page 1 Masonry Firebox Model MFP- 75 Rev 06/2017...
  • Page 2: Table Of Contents

    Contents MFP-75 Fireplace Parts Diagram/ Parts list…………………………………………………………………………………Pg. 2 MFP-75 Overall Dimensions…………………………………………………………………………………………………..Pg. 3 Fireplace Framing Dimensions………………………………………………………………………………………………..Pg. 4-6 Safety Information………………………………………………………………………………………………………………Pg. 7 Product Overview……………………………………………………………………………………………………………….Pg. 8 Clearances to Combustibles…………………………………………………………………………………………………..Pg.9 Combustible Floor Clearances………………………………………………………………………………………………..Pg.9 Mason-Lite Fireplace & Chimney System……………………………………………………………………………………Pg.9 Chimney System Heights………………………………………………………………………………………………………Pg.9 Supporting Floor Systems……………………………………………………………………………………………………..Pg. 10-11 Combustible Floor Installation.………………………………………………………………………………………………..Pg.11 What You Will Need……………………………………………………………………………………………………………...
  • Page 3: Mfp-75 Fireplace Parts Diagram/ Parts List

    MFP-75 Fireplace Parts Diagram/ Parts List...
  • Page 4 Fireplace Overall Dimensions...
  • Page 8: Safety Information

    Safety Information WARNING: THIS FIREPLACE HAS NOT BEEN TESTED Before Beginning the Installation FOR USE WITH AN UNVENTED GAS LOG SET. TO REDUCE THE RISK OF FIRE OR INJURY, DO NOT Read these instructions carefully before beginning INSTALL AN UNVENTED GAS LOG SET INTO FIREPLACE. the installation of this fireplace.
  • Page 9: Product Overview

    Product Overview Introduction We extend a warm welcome from all of us at Masonry Fireplace Industries, LLC. (MFI), proud manufacturers of Mason-Lite Fireplaces. Thank you for Choosing MFI. You may have thought long and hard before you chose the fireplace which would grace your home. Rest assured that every component of the Fireplace has been tested to ensure long-term durability.
  • Page 10: Clearances To Combustibles

    Clearances to Combustibles Mason-Lite Fireplace &Chimney System The distance to be maintained from the surfaces of the 1) The Mason-Lite is designed to be installed with a listed fireplace to combustibles must be observed. Below is a list UL103 - Class A, Metal Chimney System. of the most common combustible materials to name a few: Drywall Wood flooring...
  • Page 11: Supporting Floor Systems

    Supporting Floor Systems It is the ultimate responsibility of the installer to ensure that Attach the firebox side wall anchors to steel support frame proper concrete slab supports are used. by inserting all-thread rods through holes on the bottom flange on the steel support frame as shown in Figure 7. WARNING to the licensed design professional and/or Secure with two Ø...
  • Page 12: Combustible Floor Installation

    Combustible Floor Installation 8” Metal Base The MFP-75 Mason-Lite Metal Base (not supplied) ensures the minimum eight inch clearance above combustible flooring is maintained. A layer of 1/2” minimum Concrete Board is required on the top and mid section below as shown in Figure 7. The required sizes are shown in the table below.
  • Page 13: What You Will Need

    You may purchase it from any chimney surfaces don’t stay moist, the components will not manufacturer or MFI. Also, an optional combustion air inlet adhere. Load the mixture into a standard grout MFP4-AK can be obtained from MFI. Refractory Firebrick bag.
  • Page 14: Mfp-75 Fireplace Assembly

    MFP-75 Fireplace Assembly MFP-75 Assembly Instructions: 4. Apply mortar in like manner to the Center Hearth and place next to the Right Side Hearth. Check that surface is LEVEL and use shims if 1. Place the Mason-Lite Fireplace hearth base on top of your necessary.
  • Page 15 9. Rear walls are staggered on every row as shown. 11.After the last side walls are installed, place #3 rebar (4 each, 36 inch long) vertically through the cells, into the holes in the hearth, adjacent to the rebar and/or all-thread sticking up from the hearth and fill all cells with Ready - Mix concrete mix.
  • Page 16 14. Position Middle Domes, which come in one longer piece and one shorter piece, so that outer faces are flush to the lower dome as shown. 15. Carefully install Dome Middle Sides as shown in. 18. Finally, set the Dome Top into position (2 halves). Be sure that it is flush in every direction as you place it on the crest of the smoke dome wall assembly.
  • Page 17: Installing Damper And Chimney System

    recommendations, otherwise a potential fire hazard may Installing Damper and Chimney System occur. All chimney systems must be installed with an integrated Damper System / Anchor Plate installed on top of the Warning: do not interchange chimney manufacturer’s parts with an fireplace.
  • Page 18: Fireplace Finishes And Combustible Trim Clearances

    The fireplace grate can be creating negative pressure whereby smoke may enter the obtained from MFI or if choosing an alternate, it must be sized home, especially in homes that are very well insulated and to 50% of the hearth maximum. Additionally, a fireplace tightly sealed.
  • Page 19: Mason-Lite Owner's Operation & Precautions

    Starting a Fire and Basic Operation IMPORTANT: Only Crown-Breckinridge or McKenzie- Before starting a fire in your fireplace, open the Pendelton Doors are approved for use with this fireplace. Damper to its’ fully open position. Crumple some paper and For installation Instructions, see separate instructions included place it on the log grate.
  • Page 20: Customer Service & Parts Replacement

    Outside Inspection – During your once a month Be certain that you use only solid fuel in your fireplace. inspection of the firebox and chimney, make it a point to You may use a natural or LP gas log lighter as a method to also check the outside of the chimney, the metal flashing start your wood fire.
  • Page 22: Warranty

    If a component is found to be defective under the terms of this warranty the party this warranty is extended shall, notify MFI, 315 W. 3rd Street, Santa Ana, CA 92701 in writing, by registered mail, within thirty (30) days following the discovery of the defect within the lifetime warranty period.

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