As a Lunar owner and neighbours say how helpful I am I compiled in my own time the following Thetford company contact information to save you the searches, with exception of model if one is unsure.
below is access to Thetford website and on page 3 as indicated is a ‘Ask Thetford’ click on that and fill in details if still having problems.
Thetford pdf accesss :
UK www.thetford-europe.com
Australia www.thetford.com.au (Even get request from Australian campers)
Australia site has stockist list.
HOME PAGE SELECT ENGLISH {if in Australia forget this selection)
NEXT PAGE SELECT CUSTOMER SERVICE (top line)
NEXT PAGE SELECT USER INFORMATION (left of pic) also 'Ask thetford' is on this page.
NEXT PAGE SELECT REPAIR INSTRUCTIONS (left of pic)
NEXT PAGE SELECT BUILT IN TOILETS [top right of pic]
NEXT PAGE SELECT This is where you select your toilet range. Search all if unsure of type/range
NEXT PAGE PDF Files You should be in the pdf folder list on your Thetford toilet. Start downloading.
bob, March 2011