Overview
The BT2-0116-E is a 4-way electric heater water valve assembly designed to manage coolant flow to and from both the engine and heater core. This valve enables controlled heat delivery by directing or isolating coolant flow based on electrical actuation.
It is commonly used in mobile HVAC, heavy-duty, and off-highway equipment where dependable heater control and compact packaging are required.
Key features
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4-way electric water valve assembly
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Controls coolant flow between engine and heater
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Electrically actuated for precise heater control
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Compact design for tight installations
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Designed for mobile and heavy-duty HVAC systems
Port identification
Port orientation is clearly marked on the valve body:
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From Engine
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To Engine
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From Heater
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To Heater
Dimensions (from drawing)
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Overall length: 4.95 in
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Overall height: 4.24 in
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Body depth: 3.21 in
All dimensions in inches.
Assembly contents (BOM / service parts)
This assembly includes the following components:
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BT2-0116 – Water Valve, 4-Way (Qty 1)
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RD-5-11761-0 – Actuator, Brass Adapter (Qty 1)
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OCWE #8-18 x 3/4 – Tapping Screw (Qty 3)
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RD-5-17025-0 – Electric Actuator Assembly, 12/24V (Qty 1)
Electrical details
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Voltage: 12V / 24V compatible
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Actuation: Electric actuator assembly
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Control: On/off or system-controlled heater flow
Typical applications
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Cab and sleeper heater systems
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Mobile HVAC heater circuits
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Heavy-duty and vocational vehicles
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Off-highway and industrial equipment
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