The L.B. White® Guardian® series direct-fired forced air heaters are designed to provide consistent, dependable heat that helps control pig house climates when the weather turns cold. Guardian heaters can be used in all swine production environments and phases including gestation, nursery, and wean-to-finish.
Natural Gas (NG) Direct Spark Ignition (DSI) models.
Guardian® heater also available in:
• Propane gas (LP) Hot Surface Ignition (HSI)
• Natural Gas (NG) Hot Surface Ignition (HSI)
• Propane gas (LP) Direct Spark Ignition (DSI)
Features & Benefits:
• High quality corrosion resistant components
• Variable heat output
• Indoor & Outdoor installation options
• Totally enclosed motor
• High temperature protection
• Air proving "sail switch" for safety
• Sediment trap included
• Low maintenance design
• Certified to Meet or Exceed U.S. and Canadian CSA Safety Standards
Model |
Guardian 60 |
Guardian 100 |
Guardian 250 |
Rating |
Maximum Input (Btuh) |
60,000 |
100,000 |
250,000 |
Minimum Input (Variable From) |
30,000 |
50,000 |
160,000 |
Heater Configuration |
Hot Surface Ignition |
AW060 |
AW100 |
AW250 |
Direct Spark Ignition |
AD060 |
AD100 |
AD250 |
Pilot Ignition |
- |
- |
AB250 |
Fuel Consumption (max.) |
Liquid Propane Gas (lbs/hr) |
2.8 |
4.6 |
11.6 |
Natural Gas (cu. ft./hr) |
60.0 |
100 |
250 |
Heated Air Output (CFM) |
240 |
400 |
1,100 |
Inlet Gas Supply Pressure |
Liquid Propane Gas: Min./Max. (in. W.C.) |
11.0 / 13.5 |
11.0 / 13.5 |
11.0 / 13.5 |
Natural Gas: Min./Max. (in. W.C.) |
7.0 / 13.5 |
7.0 / 13.5 |
7.0 / 13.5 |
Amps (Starting/Operating) |
Hot Surface Ignition |
7.0 / 1.1 |
7.5 / 1.4 |
11.8 / 4.5 |
Direct Spark Ignition |
2.0 / 1.1 |
4.0 / 1.6 |
11.8 / 4.5 |
Pilot Ignition |
- |
- |
11.8 / 4.5 |
Specifications |
Electrical Supply (Volts/Hz/Phase) |
115 / 60 / 1 |
115 / 60 / 1 |
115 / 60 / 1 |
Cabinet Material |
Galvanized Steel w/ Tri-Shield Coating* |
Galvanized Steel w/ Tri-Shield Coating* |
Galvanized Steel |
Dimensions |
21.3" L 14.3" W 18.0" H |
29.5" L 14.3" W 18.0" H |
31.0" L 18.3" W 28.3" H |
Net Weight |
52.0 lbs. |
65.0 lbs. |
116.0 lbs. |
Shipping Weight |
57.0 lbs. |
70.0 lbs. |
126.0 lbs. |
Standard Accessories |
Sediment Trap |
Yes |
Model |
Guardian 60 |
Guardian 100 |
Guardian 250 |
* Tri-Shield coating consists of three unique protective layers: a non-corrosive hot-dipped galvanized steel, an oven-cured epoxy primer and a baked, thermosetting polyester.
*Oversized Item: Shipping calculated at checkout is an estimate only. You will be contacted with an accurate shipping amount before we process your order.