Thanks for the reply. So far I have cleaned the pool of all leaves and trash, the pump seems to be OK and pumps very well. For the present I am bypassing the heater, the filter seems to be working because when I first tried it out after emptying the pool the pressure from the jets dropped off pretty quick so I back-washed the filter and it worked great after that. My biggest problem now is leaking around the base of the valve, a really bad leak.