How do you know which unit to get? 60,80 or100

Calculate how much water you use all at once as well as what max pressure you want. The 60 only has about 45psi max with 14 gpm while the 100 has 60psi at 20gpm or something like that (not looking at specs right now to clarify). The key is to know your average water usage. For 2 people living in a house, just get the smallest 60, for a family 6 where you have 2 people showering, washing machine going, and diswasher running, get the 100. YOU have to be able to define your maximum water usage per hour then divode that by 60 minutes and make sure the resulting number is less than the the pumps maximum gpm output. Look at you shower heads, they have gpm ratings written on them usually. Bathtoom sinks figure 1.5gpm, kitchen sinks figure 3gpm. Just giving you an example.

what do you means by Tighten the water inlet and outlet during use or O-ring will run out and cause water leakage.

Man. That oring thing is such a bad bad bad design. It you under tighten it, the water pressure blows it out and it leaks. If you over tighten it, it squeezes out and leaks. I have literally spent a long time trying to make this work as designed. I’m a plumber of 17 years. This does not work. I don’t see how it was put into production like this. End game was a ton of Teflon tape. Start thin at the end of the threads and get very thick. May still leak a little. After a while I finially got it to work. Also, the adjustment screw to control the pressure does absolutely nothing. And sometimes the motor doesn’t kick on. I still make it work though. I use it at an rv park going into my rv. Hopefully he next park has better pressure. Any ya. Good luck.

It is waterproffing pump?

I’m not sure what you mean by proffing but it is simply a pump the increases low water pressure into higher water pressure. But the connections really suck. I had to be a master plumber to get this connected correctly. And there is an ORing that simply leaks no matter what. I had several plumbers help and our end result was a lot of Teflon tape and duct tape. A lot. Whom ever designed the fittings to connect to should be shot. It’s a horrible design. Oh and sometimes the pump doesn’t kick In when it’s supposed to. I would recommend purchasing something different than this. I’m just dealing with it since I paid so much for it.

Brand	TDR FORCE
Color	Yellow
Material	Stainless Steel
Product Dimensions	23"L x 9"W x 10"H
Power Source	Corded Electric
Item Weight	24.25 Pounds
Maximum Flow Rate	17 Gallons Per Minute
Maximum Lifting Height	131 Feet
Voltage	115 Volts
Style	3/4 hp
Manufacturer	TDRFORCE
Part Number	Boost Pump-New-3/4HP
Item Weight	24.3 pounds
Country of Origin	China
Item model number	JETS
Size	JETS-80
Wattage	550 watts
Horsepower	0.75 hp
Item Package Quantity	1
Handle/Lever Placement	Veritical
Handle Material	Acrylic
Speed	2850.00
Special Features	Easy to Install
Included Components	check valve1, handle1, Teflon tape*1
Batteries Included?	No
Batteries Required?	No
Warranty Description	180days warranty

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