K402 Cast Iron Fireplace Door with Glass – 250 × 280 mm

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Additional information

Fit size (Height)

280

Overall dimension (Height)

340

Material

Cast iron grade SCh20

Color

Black

Landing size (Width)

250

Overall dimension (Width)

310

Product Description

The K402 fireplace door is a high-quality airtight firebox door designed for masonry heaters,
brick fireplaces, and wood-burning stoves. Manufactured from durable SCH20 cast iron,
this model features a heat-resistant glass panel that allows safe flame observation while maintaining
excellent combustion control.

Product Information

  • Model: K402
  • Product Type: Airtight fireplace / firebox door with glass
  • Application: Masonry heaters, brick fireplaces, wood-burning stoves

Product Features

  • Airtight construction improves combustion efficiency and heat control
  • Heat-resistant glass panel for safe flame visibility
  • Made from high-strength SCH20 cast iron for long service life
  • Excellent resistance to thermal deformation and cracking
  • Suitable for residential and commercial fireplace installations
  • Classic, universal design compatible with various masonry styles

Technical Specifications

Mounting Size (Width) 250 mm
Mounting Size (Height) 280 mm
Overall Width 310 mm
Overall Height 340 mm
Weight 7.5 kg
Material SCH20 Cast Iron
Color Black / Grey (depending on surface finish)

Installation and Usage Guidelines

The K402 fireplace door should be installed by a qualified professional to ensure correct alignment
and airtight sealing. The mounting opening must match the specified installation dimensions.

  • Ensure the masonry surface is level and heat-resistant
  • Use appropriate refractory sealing materials during installation
  • Allow adequate curing time before first firing
  • Clean the glass regularly with suitable fireplace glass cleaner
  • Inspect seals periodically to maintain airtight performance

Customer Reviews

Customers value the K402 door for its solid construction, precise fit, and reliable airtight performance.
The integrated glass panel is frequently praised for its clarity and resistance to high temperatures.

Frequently Asked Questions (FAQ)

Is the K402 fireplace door airtight?

Yes. The K402 is designed as a fully airtight firebox door, helping to regulate airflow and improve
combustion efficiency.

What type of fireplaces is this door suitable for?

It is suitable for masonry heaters, brick fireplaces, and wood-burning stoves that match the installation size.

What material is used for manufacturing?

The door is made of SCH20 cast iron, known for its strength, heat resistance, and durability.

Does the door include heat-resistant glass?

Yes. The K402 is equipped with a high-temperature resistant glass panel suitable for fireplace applications.

Manufacturer Profile

This product is manufactured by an experienced Chinese foundry specializing in
cast iron fireplace and masonry heater components.
The manufacturer focuses exclusively on fireplace-related products,
including firebox doors, ash clean-out doors, grates, and stove hardware.

With long-term involvement in the European and international heating market,
the factory supplies OEM and private-label fireplace accessories
to distributors, stove manufacturers, and construction companies.

Factory Capability & Production Standards

  • Specialized in grey cast iron (SCH20) casting for high-temperature applications
  • In-house mold development and casting process control
  • Stable mass production for standard models and OEM customization
  • Dimensional accuracy suitable for masonry heater and brick fireplace installation
  • Strict inspection on casting integrity, surface finish, and sealing performance

All fireplace doors are designed for long-term use under repeated thermal cycling,
ensuring structural stability, airtight performance, and consistent quality
across production batches.

Industry Experience & Application Expertise

The manufacturer has extensive experience supplying cast iron fireplace doors
for traditional masonry heaters, brick fireplaces, and wood-burning stoves.
Product designs are developed based on real installation feedback from installers
and distributors in Europe and neighboring markets.

The K402 model reflects practical requirements such as reliable sealing,
precise mounting dimensions, and compatibility with refractory masonry structures.

Quality Assurance & Reliability

Each fireplace door is inspected before shipment to ensure conformity
with declared dimensions and material specifications.
The use of SCH20 cast iron provides excellent resistance to heat stress,
deformation, and long-term mechanical wear.

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