A. O. Smith 100093872 PV Igniter
An OEM replacement PV igniter used to restore reliable ignition in compatible A. O. Smith water heating equipment where this exact igniter part number is specified.
Key Features:
- OEM replacement igniter identified as PV Igniter (part number 100093872)
- Listed as replacing: 6910916 and 9007600005
- Listed application: Heating
- Related parts shown on the product page as commonly purchased alongside this item: Gas Control Valve Kit (Natural Gas) 100093873, Gas Control Valve Kit (LP Gas) 100093874, and Main Burner Assembly (Low NOx) 100110929 (as listed under "You May Also Need")
Compatibility & Applications:
- The provided sources do not list specific heater model numbers or series for this igniter.
- Must only be used where the manufacturer specifies this exact part number: 100093872 (or where the equipment documentation identifies it as the correct replacement for 6910916 or 9007600005).
Installation & Operation Notes:
- Installation should be performed by a qualified service professional.
Maintenance & Troubleshooting:
- Reviews commonly associate replacement with "no hot water" / failed ignition scenarios where the igniter stops working and the unit will not fire.
- Several reviews describe repeated igniter replacement over time (for example, failures occurring every couple of years in one long-term ownership experience), while another review contrasts a long-lasting original igniter with a short-lived replacement .
- If ignition issues persist after replacement, reviewers note that correct diagnosis and verifying the exact part number mattered (some mention getting help to avoid ordering the wrong part).
User Reviews & Q&A Summary:
- Reviews frequently describe it as the correct/original-style replacement that works as intended once installed.
- Common themes include getting hot water back quickly, the value of ordering the exact part number, and positive packaging/condition on arrival.
- Mixed longevity feedback appears in reviews: some users report long service life from the original component, while others report earlier-than-expected failures on replacements .