Water pump threaded fitting replacement

Question

I have a Artis products PDS1RV25 water pump. It has male threaded fittings. I would like to buy a fitting and hose section to put on the suction side in order to winterize. I called their tech support and asked what type of fitting I should use (NPT, NPSM, other?) and they had no idea. He just said use a plastic fitting from a home improvement store and it it doesn't go on smoothly try something else.

From the a photo on their web site it seems like it must be some kind of straight threaded fitting that seals with an o-ring or rubber washer.

Should I be looking for 1/2" NPSM fittings?

swd · Answer

Tried your RV dealer?

exeter_acres · Answer

my pump is easy to reach....I undo the hose from the tank to the pump and then just use a standard sink installation hose.like one of these.screws right on to the pump.. I put the other end in the jug of anti freeze and it works perfectly.

mrekim · Answer

SWD wrote:Tried your RV dealer?No, it costs me too much in fuel to consider them for a $1 fitting a couple feet of hose.exeter_acres wrote:I undo the hose from the tank to the pump and then just use a standard sink installation hose.OK, that helps, I'll look for something that's supposed to screw onto a sink supply line.I found a reference of what this fitting may be called:Straight Pipe Threads,FIP Straight,MIP Straight,NPS, IPS, Faucet Threads,Toilet Threads- So it looks like my NPSM NPS(Male) guess was good too.

argosy24 · Answer

exeter_acres wrote:my pump is easy to reach....I undo the hose from the tank to the pump and then just use a standard sink installation hose.like one of these.screws right on to the pump.. I put the other end in the jug of anti freeze and it works perfectly.X2 works great.

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Water pump threaded fitting replacement

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