The Sterling GG access panel gasket is 7' of 5/8" thick foam gasket material that has an aggressive adheasive on the back to adhere to the access panel opening of the GG heaters. Gasket will fit all GG heater models. Recommended if using the GG air inlet collar
instead of the concentric vent kit.
This already comes with most new Sterling GG heaters. Please check with us if you plan on ordering this with a new GG heater.