This is the secondary / airwash air control on an Aarrow Ecoburn stove. This lever controls the flow of preheated air over the window of the stove. This helps to keep the window clear of deposits and also makes Ecoburn stoves more cleanburning.
Please do not send any returns to this address. Want to send us a cheque? Do not send it to the address above. Please see our payments page for details.