I'd say it was a plus, but won't show up for much on the appraisal due to lack of comps, the down side.The pool heater should be outside or in a seperate area, if the pump goes out the water won't circulate, the heater has no water and it turns into a fire box.....had a total loss on my collateral that way.If someone didn't want it, it could be filled and turn the place into a media room.

From North American Title Company:"Due to overwhelming fraud involving cashier’s checks circulating within Texas, we now require all closing funds in excess of $25,000.00 to be tendered in the form of a wire transfer."

Looks like an old hot water heater with a pump to circulate the hot water out to the pool and back.

Condensation on windows indicates that fresh air is not being circulated in the home to prevent moisture buildup.

a small holding tank and or circulating pump may work not sure given your configuration.

Newspapers of general circulation will have those too; see link below for examples.Here is a link with a list of publications for SC:http://www.sclegalnotice.com/

Because in the last 2 years everything has gone up and it feels that less  cash money is in circulation in the neighborhoods  but  a increase in government benefits have risen example more unemployment cards more foodstamps and Wic@ Bryan  books sounds great  ..

Not sure if it would matter but I know the A/C circulating air removes moisture and humidity from the air as well...I'm no expert, but these would be good starting points and options to investigate in my opinion. 

They have to circulate notices of foreclosure and post them pursuant to forced sale constitutional rights. 

You might be ok with just circulating warm, dry air for a week or two and see how it looks and feels.