

AO Smith 100112658 Water Heater Pressure Switch, 0.27" (9008267015)
This A.O. Smith 0.27 in pressure switch is a genuine replacement part for A.O. Smith gas water heaters. The pressure switch monitors venting/draft pressure and is a key safety component that prevents the unit from firing if proper draft isn't detected.
This part also cross-references to older A.O. Smith part 9008267015, so if your unit's documentation references that number, this is the correct current replacement.
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Orders placed by 2:00pm EST will ship same day, except on holidays. Upcoming Closures: 11/26 and 11/27
More Details
Product overview
Specifications
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| ADA Compliance | n/a |
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| Standards and Approvals | n/a |
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Delivery & Returns
Orders will ship same day if received by 2pm EST.
Upcoming holiday closures: Monday September 7, 2026
All returns are inspected on receipt; credit is issued after condition is confirmed. Credit is issued only for items returned in original, saleable condition after inspection.
FINAL SALE ITEMS ARE NOT ELIGIBLE FOR RETURNS OR EXCHANGES.

