Description
FLIPPER VALVE W/CAST LEVER – TW-1 TYPE, 1/8" NPT PORT
PART NUMBER(S):
Fleet Products: 228729-G | OE: 228729, 228729N, FS225892N, 228729BXW | Automann: 170.229635
DESCRIPTION:
Model: TW-1 Flipper/Lever Dash Control Valve
Vehicles: Universal fit for heavy-duty truck and trailer air brake systems
• Valve Type: Hand-operated flipper valve, TW-1 style
• Function: Manual on-off control for auxiliary and air brake circuits
• Actuation: Manual lever (cast lever design), non-automatic, two-position toggle
• Mounting Style: Panel/dash mount with 2 mounting holes
• Supply Port: 1 x 1/8" NPT
• Delivery Ports: 2 x 1/8" NPT
• Body Material: Zinc or chrome-plated metal, or Engineering Grade Composite (EGC)
• Lever: Cast metal flipper for enhanced durability
• Weight: Approx. 0.18–0.22 lbs (depending on configuration)
• Performance/Technology: Simple on/off air control; driver-operated hand valve
• System Fitment: Designed for dash-mounted auxiliary air control in trucks and trailers; supports general air system control tasks
• Unique Features: Includes safety caps for thread protection, compact and durable design for in-dash installation
Applications:
Ideal for heavy-duty vehicle dash installation to control trailer or auxiliary air systems. Commonly used in air-operated accessories and functions requiring manual on/off control from the cab. Supports universal integration in commercial trucks, buses, and vocational equipment.
CROSS-REFERENCE(S):
228729, 228729N, 228729BXW, 170.229635, KN20001, OR229635X, N13440DL, 22613, 32037, 110167, 110300, 110301, 110413, 216002, 216050, 216200, 229635, 229635N, 229635R, 276923, 276923X, 288058, 334152, 538035, 550069, 640136, 800952, 1092936, 1741337, 1802597, 9002799, 27091605, 53001202, 90000606, 8035700000, 1200846P2, 12957FX, 13AV4050, 2DE514, A2231379, AV229635, PL-229635, X204111
A cross-reference listing means this part may be a compatible replacement for these part numbers based on OEM or distributor data.
IMPORTANT INSTALLATION NOTES:
✔ All ports are 1/8" NPT; use appropriate thread sealant
✔ Mounts via two dash/panel holes; confirm fitment before drilling
✔ Ensure orientation matches air flow direction for proper operation
✔ Confirm part number and thread type match OEM spec
✔ Protect threads during handling using pre-installed safety caps
✔ No torque specifications published; follow standard NPT installation practices
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Warranty Information
