Hi Jimmy,
Don't know if your still searching for help with your Primus Unit. If you are here is the service manual for the Primus 2490.
[PDF]http://www.luxurycoachlifestyle.com/forum/attachments/hvac/3144d1352835612-how-do-i-flush-my-primus-heat-primus-2490-serv.-man-001.pdf[/PDF]
Sean
__________________
Sean
If Ain't a Newell, It Ain't Wurt Oonin!
|