The Apostol Oven Field Guide

Fire, Temperature & Technique

Everything you need to operate your Apostol Hot Smoking Oven safely and confidently

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Overview

This vertical hot smoking oven is designed to operate at approximately 100°C.

Temperature is not regulated by the burn chamber itself, but controlled by adjusting airflow within the cooking chamber using the front rotating air control disc.

Quick Start

Quick Start Guide

  1. Light the fire and bring the burning chamber to high heat using kindling only
  2. Heat the cooking chamber (not burning chamber) to around 100°C before adding the meat
  3. Use one aprox 80mm diameter piece of hardwood to maintain temperature
  4. Keep the fire at the rear of the burning chamber


WARNING: Do not overheat the cooking chamber above 150°C

  • Top surface of the perforated burning chamber (internal stove) will catch fire

Core Controls

Temperature Adjustment

Using the front air control disc:

  • Rotate anticlockwise → lowers temperature
  • Rotate clockwise → increases temperature

Make small adjustments and allow time to stabilise.

Fuel

  • Use dry hardwood only (oak, birch, beech, fruit woods)
  • Keep fuel pieces around 80mm diameter
  • Add only one log at a time as needed
  • Never use treated or resinous wood

Temperature & Fire Management

Operating Range

90°C – 120°C

Maintain Temperature

  • Avoiding large fuel additions
  • Adjust the front air control disc
  • If necessary, remove the front door panel

Clean Smoke


Maintaining Clean Smoke

The burning chamber is designed to burn hot and clean.

For best smoke quality:

  • Keep fuel pieces around 80mm diameter
  • Add only one log at a time as needed
  • Avoid smothering the fire

Clean smoke should be:

  • Light blue or nearly invisible
  • Not thick white or dark grey

Safe Cooking Temperatures

Safe Internal Temperatures

Red Meat

  • Beef (medium): 63–68°C
  • Beef (well done): 71°C+
  • Minced beef: 71°C

Poultry

  • Chicken / Turkey: 74°C

Fish

  • Fish: 63°C

Game

  • Venison: 63–68°C
  • Ground game: 71°C

Cooking Tips

  • Rest meat after cooking
  • Use a probe thermometer
  • Minced meat must be fully cooked

Shutdown

  1. Stop adding fuel
  2. Allow fire to burn out naturally

Safety Disclaimer and Liability Notice

Safety Disclaimer and Liability Notice

This vertical hot smoking oven is designed for outdoor cooking and smoking
applications only. By using this equipment, the user accepts full
responsibility for safe operation and acknowledges the inherent risks
associated with high-temperature cooking appliances, open flame
combustion, and heated metal surfaces.

General Safety Warning

This oven operates at high temperatures and contains an active combustion
chamber. Surfaces, including the body, door, air control disc, and internal components, can become extremely hot during use and remain hot for an extended period after shutdown. Contact with hot surfaces may result in burns or serious injury.


User Responsibility

The user is solely responsible for:

  • Safe installation and placement of the oven
  • Maintaining adequate clearance from combustible materials
  • Safe lighting, operation, and refuelling
  • Monitoring temperature and combustion conditions
  • Using appropriate protective equipment such as heat-resistant gloves
  • Keeping children and pets away from the oven during operation
  • Operating the oven only in well-ventilated outdoor areas


Failure to follow safe operating practices may result in fire, burns, property damage, or personal injury. Apostol Ovens accepts no responsibility or liability for such outcomes.


Combustion and Fire Risk

This oven uses solid hardwood fuel and produces live flame and embers.
Sparks, hot ash, or embers may be emitted during operation or refuelling. The oven must be placed on a non-combustible, stable surface and kept away from flammable materials including wood structures, dry vegetation, fabrics, fuels, or chemicals.

Never leave the oven unattended while lighting, operating, or cooling down.


Airflow and Temperature Control

This oven does not include a regulated flue. Improper airflow adjustment
or excessive fuel loading may result in:

  • Excessive temperatures
  • Uncontrolled combustion
  • Flame flare-up
  • Smoke discharge
  • Hot air release

Adjust temperature gradually and monitor the oven continuously during use.


Handling and Refuelling


Keep the fire at the rear of the burning chamber. Use caution when opening or accessing the burn chamber. Always add fuel slowly and use appropriate tools where necessary.

Do not overfill the burn chamber.


Intended Use

This oven is intended for hot smoking food products only. Any other use,
including heating enclosed spaces, drying materials, or indoor use, is unsafe and strictly prohibited.


Liability Limitation

The manufacturer and/or supplier assumes no liability for:

  • Burns or personal injury
  • Fire or heat-related damage
  • Improper installation or use
  • Misuse or modification of the oven
  • Operation outside recommended temperature range
  • Use of improper fuel materials

Use of this oven is at the user's own risk.


Acknowledgment

By operating this oven, the user acknowledges that they have read,
understood, and accepted these safety warnings and agree to operate the equipment responsibly and safely.