Crucible Furnaces
Johnson Furnaces are perfect for the Artist, Blacksmith, & Sculptor! These rugged, highly efficient furnaces are designed for melting such metals as aluminum, brass, silver and gold. They combine fast melting with simple, quiet operation.
 
The furnaces are made of heavy gauge steel. The furnace linings are of highest quality super-duty hard-burned firebrick backed with over 2" of high temperature insulation to reduce heat loss and provide comfortable working conditions.
 
Controls, blower and safety equipment are contained in an attractive, adjustable metal console, protected from dust and shop hazards. Console is specially sound-proofed for quiet operation. Other features include: push-button lighting, low furnace height, special furnace lid that allows operator to charge crucible through the lid and Johnson Safety Systems.

Special Order Only

!

Johnson Gas 900 Furnace (Nat. Gas) with Thermocouple Safety Control
!

Specifications:

  • Maximum crucible capacity (aluminum): 16 pounds
  • Cumbustion chamber size: 12" high by 10" deep
  • Overall dimensions without console: 23" diameter by 31" high
  • Furnace console dimensions (with the 1218 blower, 115v): 21" long by 11" wide by 22 1/2" high
  • Gas connection: 3/4"
  • Gas input: 130,000 BTU/hour
  • Appoximate shipping weight: 398 pounds

Item #: AA-07-00001

Johnson Gas 900 Furnace (L.P. Gas) with Thermocouple Safety Control
!

Specifications:

  • Maximum crucible capacity (aluminum): 16 pounds
  • Cumbustion chamber size: 12" high by 10" deep
  • Overall dimensions without console: 23" diameter by 31" high
  • Furnace console dimensions (with the 1218 blower, 115v): 21" long by 11" wide by 22 1/2" high
  • Gas connection: 3/4"
  • Gas input: 130,000 BTU/hour
  • Appoximate shipping weight: 398 pounds

Item #: AA-07-00022

Johnson Gas 900 Furnace (Nat. Gas) with Ultra-Violet Safety Control
!

Specifications:

  • Maximum crucible capacity (aluminum): 16 pounds
  • Cumbustion chamber size: 12" high by 10" deep
  • Overall dimensions without console: 23" diameter by 31" high
  • Furnace console dimensions (with the 1218 blower, 115v): 21" long by 11" wide by 22 1/2" high
  • Gas connection: 3/4"
  • Gas input: 130,000 BTU/hour
  • Appoximate shipping weight: 398 pounds

Item #: AA-07-00014

Johnson Gas 900 Furnace (L.P. Gas) with Ultra-Violet Safety Control
!

Specifications:

  • Maximum crucible capacity (aluminum): 16 pounds
  • Cumbustion chamber size: 12" high by 10" deep
  • Overall dimensions without console: 23" diameter by 31" high
  • Furnace console dimensions (with the 1218 blower, 115v): 21" long by 11" wide by 22 1/2" high
  • Gas connection: 3/4"
  • Gas input: 130,000 BTU/hour
  • Appoximate shipping weight: 398 pounds

Item #: AA-07-00035

Johnson Gas 900 Furnace (Nat. Gas) with #10 Crucible & Thermocouple Safety Control

!

Specifications:

  • Maximum crucible capacity (aluminum): 16 pounds
  • Cumbustion chamber size: 12" high by 10" deep
  • Overall dimensions without console: 23" diameter by 31" high
  • Furnace console dimensions (with the 1218 blower, 115v): 21" long by 11" wide by 22 1/2" high
  • Gas connection: 3/4"
  • Gas input: 130,000 BTU/hour
  • Appoximate shipping weight: 398 pounds

Item #: AA-07-00002

Johnson Gas 900 Furnace (L.P. Gas) with #10 Crucible & Thermocouple Safety Control

!

Specifications:

  • Maximum crucible capacity (aluminum): 16 pounds
  • Cumbustion chamber size: 12" high by 10" deep
  • Overall dimensions without console: 23" diameter by 31" high
  • Furnace console dimensions (with the 1218 blower, 115v): 21" long by 11" wide by 22 1/2" high
  • Gas connection: 3/4"
  • Gas input: 130,000 BTU/hour
  • Appoximate shipping weight: 398 pounds

Item #: AA-07-000023

Johnson Gas 900 Furnace (Nat. Gas) with Crucible & Ultra-Violet Safety Control
!

Specifications:

  • Maximum crucible capacity (aluminum): 16 pounds
  • Cumbustion chamber size: 12" high by 10" deep
  • Overall dimensions without console: 23" diameter by 31" high
  • Furnace console dimensions (with the 1218 blower, 115v): 21" long by 11" wide by 22 1/2" high
  • Gas connection: 3/4"
  • Gas input: 130,000 BTU/hour
  • Appoximate shipping weight: 398 pounds

Item #: AA-07-00015

Johnson Gas 900 Furnace (L.P. Gas) with Crucible & Ultra-Violet Safety Control
!

Specifications:

  • Maximum crucible capacity (aluminum): 16 pounds
  • Cumbustion chamber size: 12" high by 10" deep
  • Overall dimensions without console: 23" diameter by 31" high
  • Furnace console dimensions (with the 1218 blower, 115v): 21" long by 11" wide by 22 1/2" high
  • Gas connection: 3/4"
  • Gas input: 130,000 BTU/hour
  • Appoximate shipping weight: 398 pounds

Item #: AA-07-00036

Johnson Gas 900 Furnace (Nat. Gas) with #10 & #16 Crucible & Thermocouple Safety Control
!

Specifications:

  • Maximum crucible capacity (aluminum): 16 pounds
  • Cumbustion chamber size: 12" high by 10" deep
  • Overall dimensions without console: 23" diameter by 31" high
  • Furnace console dimensions (with the 1218 blower, 115v): 21" long by 11" wide by 22 1/2" high
  • Gas connection: 3/4"
  • Gas input: 130,000 BTU/hour
  • Appoximate shipping weight: 398 pounds

Item #: AA-07-00003

Johnson Gas 900 Furnace (L.P. Gas) with #10 & #16 Crucible & Thermocouple Safety Control
!

Specifications:

  • Maximum crucible capacity (aluminum): 16 pounds
  • Cumbustion chamber size: 12" high by 10" deep
  • Overall dimensions without console: 23" diameter by 31" high
  • Furnace console dimensions (with the 1218 blower, 115v): 21" long by 11" wide by 22 1/2" high
  • Gas connection: 3/4"
  • Gas input: 130,000 BTU/hour
  • Appoximate shipping weight: 398 pounds

Item #: AA-07-00024

Johnson Gas 900 Furnace (Nat. Gas) with #10, #16 & #10 Bottom Pour Crucible & Thermocouple Safety Control
!

Specifications:

  • Maximum crucible capacity (aluminum): 16 pounds
  • Cumbustion chamber size: 12" high by 10" deep
  • Overall dimensions without console: 23" diameter by 31" high
  • Furnace console dimensions (with the 1218 blower, 115v): 21" long by 11" wide by 22 1/2" high
  • Gas connection: 3/4"
  • Gas input: 130,000 BTU/hour
  • Appoximate shipping weight: 398 pounds

Item #: AA-07-00004

Johnson Gas 900 Furnace (L.P. Gas) with #10, #16 & #10 Bottom Pour Crucible & Thermocouple Safety Control
!

Specifications:

  • Maximum crucible capacity (aluminum): 16 pounds
  • Cumbustion chamber size: 12" high by 10" deep
  • Overall dimensions without console: 23" diameter by 31" high
  • Furnace console dimensions (with the 1218 blower, 115v): 21" long by 11" wide by 22 1/2" high
  • Gas connection: 3/4"
  • Gas input: 130,000 BTU/hour
  • Appoximate shipping weight: 398 pounds

Item #: AA-07-00025

Johnson Gas 900 Furnace (Nat. Gas) with #10 Crucible, 6 x 8 Pot & Thermocouple Safety Control
!

Specifications:

  • Maximum crucible capacity (aluminum): 16 pounds
  • Cumbustion chamber size: 12" high by 10" deep
  • Overall dimensions without console: 23" diameter by 31" high
  • Furnace console dimensions (with the 1218 blower, 115v): 21" long by 11" wide by 22 1/2" high
  • Gas connection: 3/4"
  • Gas input: 130,000 BTU/hour
  • Appoximate shipping weight: 398 pounds

Item #: AA-07-00005

Johnson Gas 900 Furnace (L.P. Gas) with #10 Crucible, 6 x 8 Pot & Thermocouple Safety Control
!

Specifications:

  • Maximum crucible capacity (aluminum): 16 pounds
  • Cumbustion chamber size: 12" high by 10" deep
  • Overall dimensions without console: 23" diameter by 31" high
  • Furnace console dimensions (with the 1218 blower, 115v): 21" long by 11" wide by 22 1/2" high
  • Gas connection: 3/4"
  • Gas input: 130,000 BTU/hour
  • Appoximate shipping weight: 398 pounds

Item #: AA-07-00026

Johnson Gas 900 Furnace (Nat. Gas) with #10 Crucible, 6 x 8 Pot & Ultra-Violet Safety Control
!

Specifications:

  • Maximum crucible capacity (aluminum): 16 pounds
  • Cumbustion chamber size: 12" high by 10" deep
  • Overall dimensions without console: 23" diameter by 31" high
  • Furnace console dimensions (with the 1218 blower, 115v): 21" long by 11" wide by 22 1/2" high
  • Gas connection: 3/4"
  • Gas input: 130,000 BTU/hour
  • Appoximate shipping weight: 398 pounds

Item #: AA-07-00018

Johnson Gas 900 Furnace (L.P. Gas) with #10 Crucible, 6 x 8 Pot & Ultra-Violet Safety Control
!

Specifications:

  • Maximum crucible capacity (aluminum): 16 pounds
  • Cumbustion chamber size: 12" high by 10" deep
  • Overall dimensions without console: 23" diameter by 31" high
  • Furnace console dimensions (with the 1218 blower, 115v): 21" long by 11" wide by 22 1/2" high
  • Gas connection: 3/4"
  • Gas input: 130,000 BTU/hour
  • Appoximate shipping weight: 398 pounds

Item #: AA-07-00039

Johnson Gas 900SS Furnace (Nat. Gas) with Ultra-Violet Safety Control
!

Specifications:

  • Maximum crucible capacity (aluminum): 16 pounds
  • Cumbustion chamber size: 12" high by 10" deep
  • Overall dimensions without console: 23" diameter by 31" high
  • Furnace console dimensions (with the 1207 blower, 115v): 25 1/2" long by 13" wide by 22 1/2" high
  • Gas connection: 1"
  • Gas input: 240,000 BTU/hour
  • Super speed version of standard furnaces for fastest melting times and melting of silver and gold.
  • Appoximate shipping weight: 430 pounds

Item #: AA-07-00006

Johnson Gas 900SS Furnace (L.P. Gas) with Ultra-Violet Safety Control
!

Specifications:

  • Maximum crucible capacity (aluminum): 16 pounds
  • Cumbustion chamber size: 12" high by 10" deep
  • Overall dimensions without console: 23" diameter by 31" high
  • Furnace console dimensions (with the 1207 blower, 115v): 25 1/2" long by 13" wide by 22 1/2" high
  • Gas connection: 1"
  • Gas input: 240,000 BTU/hour
  • Super speed version of standard furnaces for fastest melting times and melting of silver and gold.
  • Appoximate shipping weight: 430 pounds

Item #: AA-07-00027

Johnson Gas 900SS Furnace (Nat. Gas) with #10 Crucible & Ultra-Violet Safety Control
!

Specifications:

  • Maximum crucible capacity (aluminum): 16 pounds
  • Cumbustion chamber size: 12" high by 10" deep
  • Overall dimensions without console: 23" diameter by 31" high
  • Furnace console dimensions (with the 1207 blower, 115v): 25 1/2" long by 13" wide by 22 1/2" high
  • Gas connection: 1"
  • Gas input: 240,000 BTU/hour
  • Super speed version of standard furnaces for fastest melting times and melting of silver and gold.
  • Appoximate shipping weight: 430 pounds

Item #: AA-07-00007

Johnson Gas 900SS Furnace (L.P. Gas) with #10 Crucible & Ultra-Violet Safety Control
!

Specifications:

  • Maximum crucible capacity (aluminum): 16 pounds
  • Cumbustion chamber size: 12" high by 10" deep
  • Overall dimensions without console: 23" diameter by 31" high
  • Furnace console dimensions (with the 1207 blower, 115v): 25 1/2" long by 13" wide by 22 1/2" high
  • Gas connection: 1"
  • Gas input: 240,000 BTU/hour
  • Super speed version of standard furnaces for fastest melting times and melting of silver and gold.
  • Appoximate shipping weight: 430 pounds

Item #: AA-07-00028