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Specifications for the Goulds GT20 Model: • Motor: 2 HP, 230 volt, single phase motor • Pipe Connections: 1-1/2" NPT Suction / 1-1/2" NPT Discharge • MAX Suction Lift: 25 Ft • MAX Total Dynamic Head: 127 ft • MAX Discharge Pressure: 55 psi GPM/Pressure Performance Rating examples for the Goulds GT20: • 20 PSI Discharge Pressure: 5 ft Suction Lift: 86 GPM 15 ft Suction Lift: 70 GPM 25 ft Suction Lift: 46 GPM • 30 PSI Discharge Pressure: 5 ft Suction Lift: 80 GPM 15 ft Suction Lift: 67 GPM 25 ft Suction Lift: 44 GPM • 40 PSI Discharge Pressure: 5 ft Suction Lift: 65 GPM 15 ft Suction Lift: 57 GPM 25 ft Suction Lift: 43 GPM • 55 PSI: (MAX of 127 ft of Dynamic Head Pressure): 0 GPM Goulds GT Series Standard Features: Self-Priming Design: Once pump is initially primed, filled with water, it will re-prime when the water level rises above the end of the suction pipe. Serviceable: • Back pullout design allows dis-assembly of pump for service without disturbing piping. • Two compartment motor for easy access to motor wiring and replaceable components. Diffuser (Guide vane): Bolt down diffuser provides positive alignment with impeller. Diffuser has stainless wear ring for extended performance in abrasive conditions. F.D.A. compliant, injection molded, food grade, glass filled Lexan for durability and abrasion resistance. Impeller: F.D.A. compliant, glass filled Noryl. Corrosion and abrasion resistant. Corrosion Resistant: Electro-coat paint process is applied inside and out, then baked on. Casing: Cast iron construction. Four (4) bolt, back pull-out design. Tapped openings provided for vacuum gauge and casing drain. Powered for Continuous Operation: Pump ratings are within the motor manufacturer's recommended working limits. Can be operated continuously without damage. Mechanical Seal: Carbon/ceramic faces, BUNA elastomers. 300 series stainless steel metal parts. Pump design prevents the seal from running dry.
Customer
August 3, 2025
This is our 4th sprinkler pump over 18 years, our first Gould, which was replacing a less expensive Flotec pump of the same HP that failed within 90 days of install. This Gould pump is solidly built. It's the first pump we've had that actually pops all the sprinkler heads up across the zones without any of them 'lagging'. Our zones are up a steep hill from a lake draw so the upper heads have typically taken more time to come up and with less output. The install was a bit of a pain. Although the input and output piping from the prior pump are of the same diameter, we had to adapt the height and location of each to accommodate the placement on this particular pump. That took 2 people a good 9 hours to get it installed. It's noisy - much more than our prior 3 pumps. But that's the trade-off for a pump I hope can last for 10 years of summer season use !
Jean
July 24, 2025
This pump was not inly easy to install, but very powerful reaching every sprinkler zones we have. Also one if the things i loved is the fact that, i installed it, turn it on without priming it and there it went, boom perfect going up on pressure as fast as i never have seen. Its a super quality product and i highly recommend it.
DaveinfwbJeep
July 11, 2025
Save your money and buy a Sta-Rite lawn pump. I had always had sta-rite in the past but 2 years ago after my 25 year old sta-rite pump motor quit working I decided to just buy a whole new pump. I was in a pinch because it was in the middle of July and my nice lawn was dying. I went to my local irrigation supplier and they "sold" me this "great" Gould's pump. Well I'd never heard of them before so I figured why not. That was my first bad decision. I should have asked them some questions first but after shelling out 558 dollars I brought it home and hooked it up. At first everything was going great! I had water shooting 8 feet farther than before and I attributed that to a whole new pump. Well after 1 year I couldn't get the pump to pump water. At first I thought maybe the well had run dry...but that's a naive thought because I have a natural spring running 20 ft deep in my property. I couldn't believe that the impeller would've been bad because I paid so much money for it. Well after checking the well....checking the breakers....checking the check valve.....I was finally forced to take the pump apart and what I found was a separated impeller. The thing completely separated into two parts and the worst thing was that IT IS PLASTIC!!! This made me SO MAD...that I paid 558 dollars and got a pump with a PLASTIC IMPELLER!!! I would NEVER EVER buy this pump again. On top of all of this.....I have a 1 year old pump with a broken impeller...so I could've either bought a new Sta-Rite pump for 279.00 with a brass impeller or call the stupid Goulds headquarters to "order" a pump rebuild kit for 88 dollars plus tax comes out to 94.00!!!! I decided to buy the rebuild kit although I have the money and my better judgement says dumb this thing....but after this impeller goes bad I'll trash it and buy a you know what....a StaRite pump. Save your time, money and get no headache by NOT buying this pump.
victor dwyer
June 26, 2025
I replaced my old pump with G 20 one. The pressure was higher than I anticipated. The old pvc fittings were not up to the task. I had to replace 175 ft of pipe.The unit works well
Mildred I. Grine
May 18, 2025
We ordered this pump to use for water transfer to our pressure tanks. However, we were extremely disappointed in the condition we received it. It arrived with the plastic covering to the wiring terminal completely shattered and the top covering of the capacitor was completely bashed in. But being desperate for water and not having the time to obtain a new one, we decided to go ahead and install it after putting the broken pieces back together. Fortunately the windings on the motor had not been jeopardized and the pump worked like a champ. For future reference, we would highly recommend a better way of shipping other than a card board box. This type of packaging will not work for such a heavy item. Maybe use a foam encapsulation for better protection.
John
May 15, 2025
I have owned two of these pumps and they are superior to most available. Sturdy and reliable. My only negative comment, and it is true about a number of these types of pumps is the lack of an option to purchase an impeller made of brass or stainless. Yes I would buy another. The one I am using now has been in operation 15 years and I have only had to replace the run capacitor. I do plan to replace the plastic impeller.
Daymery yhanes
January 29, 2025
ðŸ‘
Marvin R.
November 26, 2024
Just what the landscaper requested.
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