The conventional 2-1/4" Manifold gauge is lightweight with a slim design and uses a single diaphragm. The newer 3-1/8" and 2-1/4" gauges incorporate a dual diaphragm design which improves the longevity and reliability of the instrument. Standard markings are black and white. 2-1/4" UMA Mechanical (10-05564) Manifold Pressure (Dual Diaphragm) Case: Valox 420 Plastic Weight: 7.8 oz. 2-1/4" UMA Mechanical (10-05565) Manifold Pressure (Single Diaphragm) Case: Cast Aluminum Weight: 4.7 oz. Click here to download the 2-1/4" dual mounting diagram Click here to download the 2-1/4" mounting diagram |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. |
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Part number 10-05565 is specifically for Rotax engines. Part number 10-11250 is for lycoming/continental engines.