Fuel system, other: storage: tank assembly: pressure relief devices (Fisher)
Vehicle equipment recall 15E-064. NHTSA received Emerson Process Mgmt Regulator Tech. Inc’s report on Aug 4, 2015.
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The short answer
NHTSA received Emerson Process Mgmt Regulator Tech. Inc’s report on Aug 4, 2015. Copied from NHTSA on Oct 20, 2026.
Every line below is in NHTSA’s own words, with its source beside it.
What’s wrong with it?
Without sufficient flow in these conditions, the tank could explode causing serious injury to bystanders.
Emerson Process Mgmt Regulator Tech, Inc.
(Emerson) is recalling certain Fisher Pressure Relief Valves model numbers H732A, H832A, H733, and H833 manufactured from April 9, 2013, through April 24, 2015 and sold as aftermarket or for use as service replacement equipment in cargo tank trailer applications for transporting compressed gases, such as butane or amines.
The flow rate of valves with relief setpoints up to 200 psig may be restricted in the event the tank trailer is involved in a crash or other emergency and is exposed to a fire.
NHTSA, Recalls flat file. Released Oct 20, 2026. Updated daily.
- NHTSA’s part: Fuel system, other: storage: tank assembly: pressure relief devices.
What should you do?
Emerson will notify owners and will provide replacement pressure relief valves free of charge. The recall began on August 17, 2015. Owners may contact Emerson customer service at 1-888-237-1751.
NHTSA, Recalls flat file. Released Oct 20, 2026. Updated daily.
- How to reach the firm: Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Which ones are recalled?
NHTSA counts 110 items potentially involved, across everything this recall names.
NHTSA, Recalls flat file. Released Oct 20, 2026. Updated daily.
- Fisher H833 Relief ValveNHTSA gives no dates made
- Fisher H733 Relief ValveNHTSA gives no dates made
- Fisher H732A Relief ValveNHTSA gives no dates made
- Fisher H832A Relief ValveNHTSA gives no dates made
Who is recalling it?
- Made by Emerson Process Mgmt Regulator Tech. Inc.
NHTSA, Recalls flat file. Released Oct 20, 2026. Updated daily.
What the record doesn’t say
- NHTSA’s recall file doesn’t say whether anyone was hurt.
- Which ones, by part or lot: the recall’s report on NHTSA’s site gives them where the maker did; this file gives part numbers only where its maker listed them.
- How many have been returned or fixed isn’t in the notice.
Hearth Record wrote these lines.
Sources
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National Highway Traffic Safety Administration, Recalls flat file (FLAT_RCL_POST_2010).
Released Oct 20, 2026 and checked Oct 20, 2026. Updated daily. Public domain (U.S. Government work).
Vehicle, car seat, tire and vehicle equipment recalls, owner complaints and crash ratings are from the National Highway Traffic Safety Administration (NHTSA). Copied on Oct 20, 2026.