




Ships same day if ordered by 12 pm
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The Allanson 421-331 Ignition Transformer is designed for Lennox burners. Operating at primary voltage of 120V, it delivers a secondary voltage of 10,000V, ensuring reliable ignition performance. This transformer meets both American and European noise emission standards, providing superior EMI and RFI protection. It includes a single porcelain design and requires no external wiring compartment.
The Allanson 421-331 Ignition Transformer offers dependable ignition for Lennox burners. Its single porcelain design and noise emission standard compliance make it an efficient choice for various burner types.
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.
Add install kit to cart
—
Thanks for subscribing!
This email has been registered!


