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Interpretation ID: nht89-2.36

TYPE: INTERPRETATION-NHTSA

DATE: 07/19/89

FROM: THEO BOSE -- WEBASTO HEATER INC

TO: FEDERAL HIGHWAY ADMINISTRATION

TITLE: NONE

ATTACHMT: ATTACHED TO LETTER DATED 05/31/90 FROM STEPHEN P. WOOD -- NHTSA TO THEO BOSE -- WEBASTER HEATER INC, A35, STD 301

TEXT: We are a improter and distributor of diesel fuel burning coolant heaters and air heaters for automotive applications.

These units are often installed in busses or trucks to preheat the engine and/or provide supplementary heat to busses and school busses etc.

We are often asked by OEM's to certify the unit as required under the above mentioned paragraph or to FMVSS 301-75.

Fuel intergrity and safety are of high importance to us and we would like your comments about this subject to be able to furnish the proper documentation to our customer clientele.

I have enclosed one typical installation manual for your review. Your earliest response is appreciated. Contact me if you have any questions.

encl: DBW 2020 manual