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The Bosch 87002051190 is an O-ring used in Bosch W400 series water heaters. This component serves to create a seal that prevents the loss of air, gas, or water in the central heating system. Proper sealing is essential to minimize leakage within the appliance.
The Bosch O-ring is a critical part for maintaining system integrity and performance.
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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