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level sensor / for boats

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level sensor level sensor - Rule-A-Matic®


  • Measured value:


  • Application domain:

    for boats


Year after year, the Rule-A-Matic has been the switch of choice for boaters the world over. Our latest design now includes a removable base for easy cleaning and servicing, a mercury free snap switch tested to over one million cycles and marine grade "blocked" wire. Designed for pumps drawing up to 14 Amps. Model 35A and 35FA now includes a 2 year warranty.

35ARule-A-Matic® Float Switch

Dimensions (L x W x H) 4 1/2 x 1 1/2 x 2 (inches) 114 x 38 x 51 (mm)
35FARule-A-Matic® with fuse holder

Dimensions (L x W x H) 4-1/2 x 1-1/2 x 2 (inches) 114 x 38 x 51 (mm)