Majestic PelletVent Pro 3" Wall Thimble Air Intake Kit watt750 Is the insulation sleeve required

Is the insulation sleeve required

Freestanding Electric 1500W Fireplace Heater Fire Flame Stove with 1 Door

The only issue is

Model Size 2PPS-SUP 2" 3PPS-SUP 3" 4PPS-SUP 4" 5PPS-SUP 5" Clearance 0” clearance to combustibles / vertical installations Listings ULC S636 is Listed as a Class IIA

Majestic PelletVent Pro 3" Wall Thimble Air Intake Kit watt750 Is the insulation sleeve requiredAll PelletVent Pro components that come into contact with flue gases are built with an inner wall of corrosion resistant metal. PelletVent Pro is engineered with features for a durable, safe, and aesthetically pleasing venting system. PelletVent Pro is a venting system for stoves and inserts that use wood pellets, corn, and other biofuels, or oil, as fuel. What's Included Wall Thimble [for 1" clearance] 2" AL Flex [2} hose clamps Features 3"