Jackson Insert
This insert is designed to fit virtually all zero clearance and masonry wood fireplaces. It also features a special control that allows you to adjust the heating output according to your room size and comfort level.

Standard Features
33,000 BTU/hr Input-NG
(high efficiency: 80%)
30,000 BTU/hr Input-LG (high efficiency: 81%)
40,000 BTU upgrade kit (natural gas units only)
High-quality Borofloat® glass (12" x 27")
Quick-Latch Glass with Standard Arched Valance
Co-linear air duct (manifold)
Seasonal Heat-Dump Baffle
Millivolt board with 30 second delay
Patented burner & log design
Refractory Firebrick Panels (Back & Sides)
Automatic fan (2-75 CFM) w/variable speed control
Tested to 50 Pascal of negative pressure which passes the Minnesota Energy Code for Residential Ventilation
The highest quality materials and workmanship
Variable heat output control allows you to adjust the flame height and heat output
Limited Lifetime Warranty

Optional Features
Co-Linear Venting System (25 Ft. of 4" & 3" flex pipe)
Co-Axial Venting System (30 Ft. of 4" & 6" flex pipe -includes air duct)
On/Off Remote Control or Thermostatic Remote Control
Black, Brass, Chrome or Brushed Nickel Grills
Wall-mount thermostat (wireless available)
Three piece shrouds (masonry or ZC style) with on/off switch mounting hole & black upper grill
Brass, Black or Chrome trim for shrouds
Custom made shrouds and trim available
Arched Valance Brass Glass Trim
Numerous decorative door options

Clearances
From Grill Outlet on the Insert to Combustible Mantel 16"
From Side of the Insert Glass (glazing) to a Side Wall 10"

Venting Requirements
Always consult the installation manual for venting requirements #815-CL Direct Vent kit 25 ft. of 3" x 4" Co-linear vent system w/ termination cap
#510 Extension kit - extends #815-CL up to a max. of 30 ft.
Minimum chimney height: 12 ft.
Maximum chimney height: 30 ft.

Existing Chimney
Class “A” metal chimney: Co-axial 4" x 6" venting: 7" minimum inside diameter. Co-linear 3" x 4" venting: 8" minimum inside diameter
Masonry chimney Co-linear 3" x 4" Vent Kit 6" x 8" minimum inside diameter
Minimum chimney height: 12 ft.
Maximum chimney height: 40 ft. - Co-axial vent system 30 ft. - Co-linear vent system

Chaska Gas Insert
Transform your existing inefficient wood burning fireplace into an attractive, convenient, energy saving gas burning fireplace. The Chaska Gas Insert captures all the beauty of a real wood burning fire, but without all the maintenance. This model is an elegant choice for existing masonry or factory-built fireplace openings. Choose the #CSK-31-RF which includes a remote control that operates the flame and fan speed. Whether you choose the #CSK-31 or the #CSK-31-RF, they both offer all the convenient benefits that you’re looking for in a fireplace insert.

Standard Features
27,500 BTU/hr Input - NG & 28,000 BTU/hr Input - LP
High Efficiency: Natural Gas - 79% LP Gas - 79%
Canada P-4 Approved
Model #CSK-31-RF only - Remote Modulating Valve System with Flame & Fan adjustment: Fan Kit & Remote Control Included.
High Quality, Quick-Latch Lifetime Ceramic Glass: (14¼” x 29¼” )
Fan Kit - 150 CFM (both models)
Refractory Brick Lining
Co-Linear Air Duct - Accepts 3" Combustion Air / 3" Exhaust
Innovative vent connection system
High-Low Regulator
Speed Control with Receptacle Assembly
Engineer-designed burner system
Minnesota Energy Code Compliant to 50 pascals

Optional Features
3 pc. Or 4 pc. Standard and Custom Size Shrouds
Full Door Shrouds - Drake, Young & Astoria Patterns
Mission Design Doors
Floor Protection Plate: Required when removing existing ZC bottom/floor*
Remote Control or Thermostat Remote Control (for #CSK-31 Only)
Wall Thermostat (wireless also available) (for #CSK-31 Only)