Rebuilt Vintage SILENT GIANT Air Pump – Guarenteed! – Giải Ngân Vốn Nhanh Nhất Toàn Quốc

Rebuilt Vintage SILENT GIANT Air Pump - Guarenteed!

$60.0 Buy It Now or Best Offer
free,30-Day Returns

Seller Store jimlem42
(795) 100.0%,

Location: Kenosha, Wisconsin
Ships to: US,
Item: 135293223456

All returns accepted:ReturnsNotAccepted
Silent Giant:Silent Giant
Water Type:All Water Types
120:120
Country/Region of Manufacture:United States

This auction is for a rebuilt Silent Giant Air and is Guaranteed to pump as good or better that then new. I have been repairing these pumps since the 1960's and luckily, I still have a “stash” of parts. I also have the knowledge of how to assemble them to make it pump as good as (and sometimes better) than when it came out of the factory. All Silent Giants run on US 120V and 60 cycle which is standard electric current in US and Canada. I don't know about other countries but I an offering the pump worldwide. MAKE SURE YOU KNOW WHAT VOLTAGE IS NEEDED IN YOUR LOCATION. Please refer to photos for condition. Here are specifics about this pump: – Has a reproduction vertical label – The back of the case has a crack . It has been stabilized by solvent bonding. – Reproduction foam rubber feet – Comes with two extra external foam filters. – The case has been cleaned and buffed to make it look the best I can. Note that the pump has excellent pressure. Other vibrator pumps only reach 2-3 psi. Any questions or it you want me to repair of buy your SILENT GIANTS, please ask. Also see below about my repair service. I have included below info about the SILENT GIANT and the parent Co, and about my repair service. ——————————————————————————————————————————- HISTORY OF THE SILENT GIANT Old timers that were into fish keeping know about the legendary SILENT GIANT AIR PUMP. To new comers who never heard of it and want an air pump – you don't know what you missed! It was probably the best air pump ever made (well maybe next to the Dynamaster 2 piston air pump if you really needed lots of air for deep tanks)! But day in and day out you couldn't beat the SILENT GIANT. The SILENT GIANT started out in the 1950's and was a revolutionary aquarium air pump design. It was first produced in a metal quart size paint can with an exterior or a light wood grain vinyl applied to the outside. It looked ok, but it pumped good! Later in the early 1960's, the Company came out with a unique looking plastic case that they never changed, except for label design changes and putting on the Zip code when that become necessary in the 1960's. According to the manufacturer, Aquarium Supply Co.: ” THE SILENT GIANT is an oscillatory compressor, basically a very short stroke piston pump driven by an electromagnet instead of a inefficient electric motor. t The stroke is so short that the seal which connects the moving sleeve to the stationary piton is not subjected to sliding wear.” The pump has a patent no of 2,961,149 and is a model 120. It only uses 4 Watts of electricity. It came with a cleanable air filter that fits underneath. The SILENT GIANT was very quiet and the only sound was a slight hum, unlike other pumps at the time that were noisy. It also gave off lots of air, as much as to run up to 12 box filters and maybe more, depending of the tubing, valves, and depth of tanks. It also had pressure in the 4-6lb range so it could pump a deep tank better than most vibrator tanks on the market. Most vibrator pumps put out about 2-3 lbs pressure. That's when the quality started to go down. Although the parts were the same, the attention to detail and tolerances during assembly suffered. The Company probably went out of business in the mid 1980's. ——————————————————————————————————————————————- MY SILENT GIANT REPAIR SERVICE- I CAN REPAIR YOUR PUMP! BACKGROUND — I started in the aquarium business while in high school in the early 1960's and of course started selling the SILENT GIANT pump. It originally had a LIFETIME GUARANTEE and seems expensive at $14.95(Fair Traded) for most. But many found it great if they had several tanks and wanted a quiet pump when most were noisy. It was important that the pump was used correctly which some people has a hard time understanding. Well, after a few years, pumps began to fail (mostly to miss use). The customer could send it in for repair for FREE (you'd paid the postage to the factory) and they'd repair it and send it back for FREE! But then you'd be without a pump! So, I wrote to the Company and asked it I could repair customer's pumps who didn't have a spare pump and needed their pump back fast! So, I became an authorized repair center and the they provided me with parts and instructions on how to repair them. Most people were happy to pay me for repairing their pump either the same day or the next day and to get their pump back without sending it in. After repairing 100's and 100's of pumps over the years, I have figured out many of my own techniques on how to rebuild the pump. So below is some info on what I do. I completely disassemble the pump and discard all worm parts. I ALWAYS replace the flapper valves whether or nor they have failed. In many cases these flapper valves are the main reason the pump fails. They are close to 50 years old so OUT THEY GO! I have obtained some reinforced material that is superior to the original and I make my make my own. I've never seen any of this fail! Other parts are replaced as needed. One item I changed from the original is a part called the muffler which contains a length of string that makes the pump sound quieter when not hooked up to pump-a marketing gimmick, IMO. I've seen this clog and cause the pump to fail. I make up my own mufflers and leave the string out eliminating one cause of pump failure. The working mechanism is completely taken apart and cleaned and any bad parts are replaced. Upon reassembly I have developed tests to insure there are no leaks. The final test is to shim the armature/electromagnet clearance so that they don't contact each other when under full load as this will shorten the life of the pump. This is time consuming, and the only way is to test is with a pressure gauge to get the maximum pressure with the metal parts banging into each other. This is called “pounding” in the literature and it means there is too much back pressure and, if left to continue, the pump will stop pumping and a good chance of being ruined. I try to set the pump so this does not occur. Other repair things I do is clean up the case to make it look the best I can. This includes fixing all cracks, replace bad foam rubber feet, replacing missing labels, etc. In other words, I try to make it look the best I can. I also will give you a new(reproduction) foam air filter. You may ask if the SILENT GIANT is such a good pump, why would they fail and need to be rebuilt? The answer is that people don't use them correctly. The pump was not designed to run just one air stone without bleeding off excess air. Also, since air stones clog over time you should make sure you can blow threw them without getting red in the face. Actually, this advice goes for all air pumps and their life will benefit. The above procedures are done to every air pump I offer on eBay. I CAN REBUILD YOUR SILENT GIANT OR BUY THEM! If you have a SILENT GIANT pump(s), let me know the condition and I'll give you a quote on how much to repair it/them. Or, if you want to sell them let me know.

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