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The MITCO 620-10BM is a Riello oil pump O-ring suitable for R40 and Mectron series oil burners. This O-ring is essential for maintaining the efficiency of oil pumping systems. It is sold in a pack of five to support multiple installations or repairs.
This product ensures proper sealing and usability within Riello oil systems.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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