Johnson - 32503 Cartridge Bilge Pump 500 GPH
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For over 40 years, I've been commercially fishing salmon in Alaska and have owned four different boats. Silicone should not be used on marine electrical wiring, in my opinion. (unless the manufacturer approves it)br>I believe the acrid-smelling silicone contains some form of acid, because I once used silicone to "seal" my marine engine ambilocal harness, and it only lasted one year, with corrosion running several inches up each side of each wire, despite the fact that all wires were soldered. Instead, I'd recommend investing in some high-end marine heat shrink tubing with epoxy glue on the inside. When heated (to shrink a tight fit around your wiring), it forms a watertight bond around your connection, preventing corrosion from moisture, especially if you're in or near salt water. I would also suggest using a rosin-based solder for your electrical connections. core solder (not acid-resistant) For your wire connections, you'll need to use a core). Also, make sure to leave plenty of extra wiring in case the pump needs to be replaced in the future.
The pump and the cartridge
The fuse is rated at 3 amps and consumes about 2 amps.
Selected User Reviews For Johnson - 32503 Cartridge Bilge Pump 500 GPH
We didn't give it a five-star rating because we had to make an adapter to fit it into our boat. On the other hand, it performs admirably. We have a leak in our 40-year-old 16-foot Lund boat that we don't know where it is, but the bilge pump takes care of it and allows us to fish safely. We'll find the leak over the winter, but in the meantime, the Johnson bilge pump on our boat provides us with peace of mind. It takes less than a minute to clear the boat.
This is a replacement for my shower sump pump that I purchased. The impeller was easy to clean, which is why I bought it. However, it will not pump very well uphill. I'm about three feet tall. This little pump simply cannot handle a 3/4" hose uphill run. br>At first, I assumed it was a problem with the hose. I used a water hose to blow it clean on both sides. I was still not pumping. br>As a result, I changed the hose, assuming that the hose's inner liner had collapsed. This is still not the case. br>After replacing everything except the pump, I assumed the problem was with the pump. br>I switched to a Rule and it works perfectly. br>The pump produces a lot of water, but it can't buck 3 feet. of head.
This cartridge bilge is extremely simple to install, particularly if your boat already has one. Simply remove the old pump and replace it, as well as the two power connections. That is all there is to it. It took me about 20 minutes, including the time it took to route the wires through my boat, which was the most difficult part.
This model's boat originally came with a 750 GPH pump. I figured I'd save some money by filling the well slowly. This pump isn't powerful enough to easily raidlse the water, so it's only a trickle. Filling an 8-gallon bait well took 15 minutes.
You can open it up and install the new pump inside without having to replace the frame. It's quite useful. I wish I'd known that before removing it from the boat.
I replaced the stock pump with this part, which was relatively easy to install except for the location. The hose nipples on this new pump are removable, which makes life much easier compared to the original pump, which had the hose attached to a fixed nipple. This pump is quieter and more pleasant to use than the one it replaced.
I didn't need to unscrew or add new screws because the cartridge fits into the old casing. I am very pleased with the pump. I've used other pump brands in the past, and this one is very similar.
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