RELAY VALVE

Name: 110197 - RELAY VALVE
Brand: Sealco
SKU: 110197
Price: 100.49 USD
Availability: InStock

This is a two-port service relay valve used in heavy-duty truck and trailer air brake systems. Its job is to speed up the application and release of the service brakes by relaying air directly from the reservoir to the brake chambers when you press the pedal. It's commonly installed on single-axle trailer service brakes or in tandem axle-by-axle brake setups. You'd replace it if your current valve is leaking, sticking, or not responding quickly enough during braking, which can cause uneven brake wear or a delayed response.

$100.49

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Verified fitment

Single-axle trailer service brakes
Tandem axle-by-axle trailer brake designs

Designed for non-ABS single and tandem trailer air brake systems. Mounting requires an external 6002 or 6006 nipple bracket (not included). Always verify port sizes and crack pressure match the original valve on your specific trailer.

Specifications

SKU110197BrandSealcoSupplierKnox TrailersCategoryAir SystemAvailabilityIn StockType2-Port Service Relay Valve (non-ABS)Control Ports (2)3/8' NPTReservoir Port1/2' NPTDelivery Port (2)3/8' NPTNominal Crack Pressure4.0 PSIMaterialAluminumSAE J1860 TagRV040MountingUses 6002 or 6006 Nipple Bracket (sold separately)