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: We installed this for hot water tank recirculating line.  Our hot water has a brown case to it.  Anyone else having this issue?
Document: I ordered this as a replacement for my existing water recirculating pump at home. Identical model was installed when house was built in 1998, so the first one lasted about 15 years of 24/7 continuous use. I was pleased to find the identical model number on Amazon from a couple of suppliers. Paid about $60. It was an exact fit for 1998 replacement, which was critical. Upon inspecting the OLD one I removed, it appeared the plastic propeller fins inside had broken.
Identical OEM quality item; great price; directly replaced original circulator in home heating system; easily installed by homeowner with simple tools.
I replaced it myself with ease in about 10 minutes and didn't have the hassle of driving to locate one and pick it up.Need I say more ?
I got this with pump without the manifold (my manifold is from the brass model NBR-22, I would advise not to get the cast iron ), It is just the motor and impeller. All I really needed was the impeller, but's its not available as a standalone part. However, the impeller on this pump is made of a different (harder) material than previous replacements. Maybe the impeller will last longer than  my past replacements (about 5 yrs. ).
I expect my new replacement to last another mere 15 years.
I don't know how long this type of pump should last--the old one (same make and brand) lasted for exactly 10 years before coming to a 'screaming' halt. I noticed in the installation that the instructions are generic for the Red Fox brand as well making me wonder if I wasted my money by paying a little bit more for the Bell & Gossett branded pump?? They look just alike and both made in China... Otherwise it seems to be running very well.
I BOUGHT THIS PUMP TO REPAIR MY BOILER  MYSELF IT WAS EASY TO INSTALL AND I USED YOUTUBE TO HELP ME INSTALL MY PUMP.I SAVED ALOT OF MONEY DOING IT MYSELF AND THE PUMP IS WORKING WELL.
BELL & GOSSETT NRF-22 MINI PUMP 103251 BELL & GOSSETT NRF-22 MINI PUMP 103251 BELL & GOSSETT NRF-22 MINI PUMP 103251
Answer: no