Overview
Pick BU-1000-7-24 when you want high output in a compact, service-friendly package with bottom-exit plumbing and adjustable feet. The twin blower moves air quietly for fast, even cab heat, and the square 2.75″ × 2.75″ bolt pattern speeds installation.
Key Features
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Heat / Airflow: 35,000 BTU/hr, 430 CFM, 3 speeds
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Electrical: 24V system (27.2 VDC nominal), ~7 A draw
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Plumbing: Bottom-exit heater core; 5/8″ hose connections (x2)
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Mounting feet: 1/4-20 threaded holes (x4) on a 2.75″ × 2.75″ pattern; feet can mount in 4 positions; height adjusts 6.45″–7.35″
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Finish: Durable black powder-coat steel cabinet
Dimensions & Mounting
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Overall envelope (approx.): 16.02″ L × 6.45–7.35″ H × ~3.75″ face depth; face width ~17.12″
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Mount pattern: 2.75″ × 2.75″; 1/4-20 mount threads (x4)
Wiring
Blower module leads labeled MIN+ / MOTOR+ / MAX+ for low, medium, and high operation.
Service Parts (major items)
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24V blower assembly
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Bottom-exit heater core
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Blower plate, front housing, side panels
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Mounting feet (x2)
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Foam strips and hardware
Specifications
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Model: BU-1000-7-24
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Type: 24V cab heater, bottom exit, with mounting feet
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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 heater with bottom-exit plumbing and flexible foot mounting.

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