porta potti

I would be very grateful is anyone could help me with the correct method of installing an MSD with macerator pump on a Thetford 550P I am building a cat in Indonesia and both I and the local plummer are stumped by the limited documentation that comes with the Thetford 550P with repsct to how to...

Hello, I am in the market for either a 2000+ hunter 25 or a Catalina 250. I thought all H25 had a marine head with pump out but I found one 2007 H25 for sale with a porta potti and consider making an offer if I can install a regular marine head with holding tank and pump out. Wondering if this...