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ASAP offers the full line of Sealco relay valves and push buttons to meet your air and gas starter applications as well as transportation needs. Sealco’s large volume piston operated relay valves are commonly used to drive air starter motors. We also stock genuine IR parts.

Sealco Relay Valve

Sealco’s standard Large Body Starter Valve is a relay valve for air starter motors. This large volume relay valve is piston operated and has two mounting holes in the body.

Our 11900 and 14900 valves use Nitrile O-Rings, and our 110486 use Viton O-Rings to seal and protect your product and other components.

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ASAP Stocks Sizes from 1" to 1.5" NPT

NumberPort (NPT)Port (NPT)Port (NPT)
109001 1/2"1 1/2"1/4"Nitrile O-Rings
119001 1/2"1 1/2"1/4"Nitrile O-Rings
149001 1/4"1 1/4"1/4"Nitrile O-Rings
1102501 1/2"1 1/2"1/4"Nitrile O-Rings
1103901 1/4"1 1/4"1/4"Viton O-Rings
1104861 1/2"1 1/2"1/4"Viton O-Rings

Panel Mount Momentary Push Pull Valves

Sealco Dash Valve

Our complete line of Sealco Panel Mount Momentary Push Pull Valve repair kits are used inside your tractor or truck as a dash valve. We offer a variety of models that each have unique applications, including:

  • Stater Controls
  • Emergency Release
  • Differential Lockout
  • Air brake equipment
  • Parking brakes
  • Emergency release
  • And more

All hand valve knobs have a 1/4" x 28 thread.

Part NumberKnobInlet Port (NPT)Outlet Port (NPT)Mounting Thread SizeApplication
3450S13-S1/8"1/8"7/8"Starter Control
34025013-S1/8"1/8"1/2"Starter Control
34250113-S1/8"1/8"7/16"Starter Control
3450G13-G1/8"1/8"7/8"Emergency Release
34035013-G1/8"1/8"1/2"Emergency Release
34250213-G1/8"1/8"7/16"Emergency Release
11010313-L1/8"1/8"1/2"Differntial Lockout

Three Hole Panel Mounted Manual Push Pull Control Valve

Dash Valve

This dash valve is used primarily in trucks and tractors and can be utilized for cab control, park brake release, and more.

Part number 17600B is used for dolly and trailer park brake release.

We offer a variety of name plates for easy identification. You can click on the links next to each product to view the associate name plate.

Part NumberName PlateKnobInlet Port (NPT)Outlet Port (NPT)Exh. Port (NPT)Comments
17600817131/4"1/4"1/4"Cab Control
17600B826131/4"1/4"1/4"Dolly & Trailer Park Brake Release
17600B-2NoneNone1/4"1/4"1/4"Basic Valve
17600M855131/4"1/4"1/4"Use With 7700 For Breakaway Conversions -- Utilizes Long Shaft
110114None90081/4"1/4"1/4"Park Brake Release
1102748261901/4"1/4"1/4"Park Brake Release
110284None131/4"1/4"1/4"Park Brake Release
1105148171901/4"1/4"1/4"Cab Control
110644None13-11/4"1/4"1/4"Contains Screws But No Plate


SEALCO Valves Catalog