Overview
The BU-1000-4-24 pairs high heat output with a compact, service-friendly cabinet. Rear outlets feed a four-louver plenum for easy air direction, and adjustable mounting feet simplify installs in tight cabs. The 24V twin-blower module moves air quietly and warms the cab fast to keep operators comfortable.
Key Features
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Output & airflow: 35,000 BTU/hr, 430 CFM, 3 speeds
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Electrical: 24V, approx. 7 A @ 27.2 VDC
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Connections: 5/8″ heater hose (x2), rear-exit plenum
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Finish: Black powder-coat steel cabinet
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Mounting: 1/4-20 threaded mounting feet with multi-position pattern
Dimensions & Install Notes
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Front face with 4 louvers and rear-exit plumbing suits under-seat or bulkhead installs.
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Adjustable feet allow small height/alignment tweaks to meet trim panels.
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For bolt sizes and hose routing, follow the unit drawing supplied with the heater.
Service Parts (typical)
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24V blower assembly
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Heater coil
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4-hole plenum (plastic)
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Louvers (4)
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Associated fasteners, foam seals, and attachment strips (per parts diagram)
Specifications
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Model: BU-1000-4-24
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Type: 24V cab heater, rear exit with 4-hole plenum
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Heat Output: 35,000 BTU/hr
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Airflow: 430 CFM, 3 speeds
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Electrical: 27.2 VDC, ~7 A
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Hose Connections: 5/8″ (x2)
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Finish: Black powder-coat
Applications
Heavy truck, agriculture, construction, forestry, and specialty equipment needing a compact 24V floor- or bulkhead-mount heater with directional outlets.
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