A.O. SMITH Ignitor: Mfr Part # 100109978
SKU 3G-OTH-78140
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Frequently Asked Questions
What is the A.O. Smith 100109978 ignitor used for?
The A.O. Smith 100109978 ignitor is a replacement component for gas-fired heating equipment. It generates a spark or hot surface to ignite the gas burner in commercial and residential water heaters, boilers, and furnaces. This part ensures reliable ignition in HVACR systems.
What are the specifications of the A.O. Smith 100109978 ignitor?
The A.O. Smith 100109978 is an igniter with manufacturer part number 100109978. It is classified as a replacement HVACR control, switch, or thermostat. The product type is igniter, designed for use in gas ignition systems. Always verify compatibility with your equipment model before ordering.
Where to buy the A.O. Smith 100109978 ignitor worldwide?
You can source the A.O. Smith 100109978 ignitor through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide this OEM-branded igniter for HVACR applications.
How to install the A.O. Smith 100109978 ignitor?
To install the A.O. Smith 100109978 ignitor, first disconnect power and gas supply. Remove the old igniter, noting its position and wiring. Insert the new ignitor, secure it with mounting screws, and reconnect wires per the manufacturer's diagram. Restore power and test for proper ignition. Consult a qualified technician if unsure.
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Common applications for A.O. SMITHA.O. SMITH Products
3G Electric supplies A.O. SMITH replacement hvacr controls, switches & thermostats. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
