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Product Image - LFM300, M300
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LFM300

Lead Free* Double Check Detector Assembly Backflow Preventers

Features

  • Lead Free*
  • Can be installed under continuous pressure service and may be subjected to backpressure
  • Extremely compact design is significantly lighter than traditional designs
  • Patented tri-link check provides low pressure loss
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Maxim Series LFM300, LFM300N Double Check Detector Assemblies are used to prevent backflow of pollutants, that are objectionable but not toxic, from entering the potable water supply system. The Maxim LFM300, LFM300N may be installed under continuous pressure service and may be subjected to backpressure. The Maxim LFM300, LFM300N are used primarily on fire line sprinkler systems when it is necessary to monitor unauthorized use of water. For use in non-health hazard applications. The LFM300/LFM300N features Lead Free* construction to comply with Lead Free* installation requirements.

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Select options below to identify the UPC, Order Code, and Repair Kit for a specific LFM300

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Model Product Used On Kit Contents
Product Image - ARK C-M C 2 1-2-4
ARK C/M 2 1/2-4

Replacement Part

</br>

Closure Sleeve, Sleeve O-ring, Lube</br>
Product Image - ARK M200-M300 CK1 2 1-2-3
ARK M200/M300 CK1 2 1/2-3

First Check Kit

</br>

First Check Assembly, Check O-ring, Lube</br>
Product Image - ARK M200-M300 CK2 2 1-2-3
ARK M200/M300 CK2 2 1/2-3

Second Check Kit

</br>

Second Check Assembly, Check O-ring, Lube</br>
Product Image - ARK M200-M300 RC4 2 1-2-3
ARK M200/M300 RC4 2 1/2-3

Check Rubber Parts Kit

</br>

Shutoff Disc, Check O-ring, E-Clip, Sleeve O-ring, Lube</br>
Product Image - ARK C-M C 6
ARK C/M 6

Replacement Part

</br>

Closure Sleeve, Sleeve O-ring, Lube</br>
Product Image - ARK M200-M300 CK1 4
ARK M200/M300 CK1 4

First Check Kit

</br>

First Check Assembly, Check O-ring, Lube</br>
Product Image - ARK M200-M300 CK2 4
ARK M200/M300 CK2 4

Second Check Kit

</br>

Second Check Assembly, Check O-ring, Lube</br>
Product Image - ARK M200-M300 RC4 4
ARK M200/M300 RC4 4

Check Rubber Parts Kit

</br>

Shutoff Disc, Check O-ring, E-Clip, Sleeve O-ring, Lube</br>
Product Image - ARK C-M C 8
ARK C/M 8

Replacement Part

</br>

Closure Sleeve, Sleeve O-ring, Lube</br>
Product Image - ARK M200-M300 CK1 6
ARK M200/M300 CK1 6

First Check Kit

</br>

First Check Assembly, Check O-ring, Lube</br>
Product Image - ARK M200-M300 CK2 6
ARK M200/M300 CK2 6

Second Check Kit

</br>

Second Check Assembly, Check O-ring, Lube</br>
Product Image - ARK M200-M300 RC4 6
ARK M200/M300 RC4 6

Check Rubber Parts Kit

</br>

Shutoff Disc, Check O-ring, E-Clip, Sleeve O-ring, Lube</br>
Product Image - ARK C-M C 10
ARK C/M 10

Replacement Part

</br>

Closure Sleeve, Sleeve O-ring, Lube</br>
Product Image - ARK M200-M300 CK1 8-10
ARK M200/M300 CK1 8-10

First Check Kit

</br>

First Check Assembly, Check O-ring, Lube</br>
Product Image - ARK M200-M300 CK2 8-10
ARK M200/M300 CK2 8-10

Second Check Kit

</br>

Second Check Assembly, Check O-ring, Lube</br>
Product Image - ARK M200-M300 RC4 8-10
ARK M200/M300 RC4 8-10

Check Rubber Parts Kit

</br>

Shutoff Disc, Check O-ring, E-Clip, Sleeve O-ring, Lube</br>
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Approval/Certification Information

For product-specific approval information, please refer to the product’s specification sheet (see literature section above) or ask a Watts representative. Some certification agencies allow you to search by product name and brand.