Instruction: Analyze a question and its supporting document. Predicting answerability based on the information provided in the document. Output yes if the document contains relevant information to answer the question, otherwise output no.

Input:
Question: How hard is the water boss to install?
Document: I bought a 18,000 I don't have very hard water, I have only been using it about a month, I don't know that there is any difference, or that it is even working, It cost me like 398.00. It also cost me 350.00 to install because i had to hire someone to do it, It isn't easy to install like it says, My handy man even had to call the service center for help. I would not ever buy another one.
Every time I move in to a new home I always ended having to buy a new water softener. The last 3 I purchased are all Water Boss model 700. Thankfully , they are easy to install , trouble-free and works efficiently and very attractive. You can't beat the price either !
Bought a Water boss to replace a rented unit. Easy install, easy setup. However, just out of warranty the timing gears stripped. Ordered the parts myself and did the repair. Customer service is aware this is a common problem. Now, another 2 years later the timing motor is shot. Also noticed a bunch of screws about to rust off - why didn't they use stainless??
My well water is moderately  hard and contains quite a bit of iron. I've had the Water Boss 700 softener for 20 years and it still works very well. It uses much less salt than the unit it replaced and can be programmed to only regenerate at night. At 12 years, the brine tank was overfilling. I called Water Boss and they suggested cleaning or replacing the brine valve. I replaced it myself and it has worked well ever since. Excellent product. Good service.
Very small unit, that was easy to install. I am amazed at the small amount of salt the unit uses. I have had water softeners in the past and they used a great deal more salt. It is very economical to operate.
Called in a technician thinking it was something with the dishwasher and after a $150 service call he told (and showed me with a hard water test strip) me that we have hard water. I explained that I just had a new water softener put in and he indicated it was most likely the softener.
I installed my WaterBoss about 3 months ago. It worked for about 2 weeks. At that point my water became hard again. I've called "customer service" repeatedly and they are no help at all. The sent me parts that didn't fix the issue and now they say I have to have a serivce call that they won't cover even though the unit is almost new.
I got this to replace a worn out old Culligan water softener. I love the size of this (about the size of a trash compactor) and the ease of filling up the salt (slide the door and dump it in). It was very easy to install and set up. I also like the fact that it has a built in filter that if flushes and cleanes daily when it regenerated.
I purchased my waterboss unit 12 years ago. This unit has worked with ownly one repair in all that time. The injector valve and cam needed replaced. I did this myself. It was recommended by my bouther in law who had been running his unit for several years. we have extremely hard water and a lot of sediment. This unit takes water that smells like rotten eggs and makes it drinkable with no bad taste. I recommend it.
Procedure: Assuming you used three separate valves to make a bypass equipped installation, shut off the exit valve so the Waterboss can not allow water flow. Open the kitchen faucet and wait until the pressure discharges and the flow goes to zero. Barely open the bypass valve until one ounce per second flows. Leave it like that and turn the exit valve back on. This does not actually let one ounce of hard water per second flow when the softener is in normal operation.
Answer: yes