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F224744 | EMERGENCY RELAY VALVE | Replace A1000S

F224744 | EMERGENCY RELAY VALVE | Replace A1000S

SKU: SKU:F224744

Inventory: 29 in stock

Shipping: Calculated at Checkout

Regular price $ 81.29 USD
Regular price Sale price $ 81.29 USD
Sale Sold out
Shipping calculated at checkout.

Shipping Policy

In order to send your purchase, our company may use different freight companies like USPS, UPS and some 3erd Carrier Services for Oversize orders, this will not affect the final price of your order. We will send you all the information in due time. 

For Free Shipping and Freight/Oversize Shipments they are some special term you may check at our Terms & Conditions page.

Return Policy

If for any reason you need to return a purchased item, we have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

To be eligible for a return, your item must meet the conditions established in our Terms & Conditions.

To start a return, use our Contact Form

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Product Data Sheet


Check Specification & Cross-references


  • Part OEM: Sealco A1000S
  • Part: Sealco Style Emergency Relay Valve
  • Supply Port: (1) 1/2” P.T.
  • Delivery Ports: (4) 1/4” P.T.
  • Control Ports: (2) 1/4” P.T.
  • Emergency Supply Port: (1) 1/4” P.T.
  • Opening Pressure: 1.5 PSI
  • Application Info: Used only on brake systems prior to the implementation FMVSS 121
  • Notes: Helps the brake system build up enough pressure to operate, and make sure that it stays at that pressure to ensure braking power


  • Automann: 170.A1000
  • Bendix: 229859, 229860
  • Haldex: A1000S
  • Mack: 7546-A1000S
  • Meritor: RSLA1000S
  • PAI: EM36180
  • Sealco: A1000S


Dimension Not Available.