The griddle cooking surface is 24" and it does not come standard with a salamander. If you have further questions please contact sales at 888-388-6372.
Please consult the spec sheet to answer all your questions on dimensions. There is no broiler under the griddle area on the model. https://www.etundra.com/pdf/ir60.207041.pdf
I am sorry, this model does not have the specifications you listed above. You will need to upgrade to our Green Tech ranges (many are not online). The ignitors are offered as an option. You can call our sales team for pricing. 1.888.388.6372