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Found 3 results

  1. I have an outdoor above ground endless pool which is nearing completion, I am concerned about heat loss. The pool sits on a 20cm fibre reinforced slab and has 15cm of wall cavity insulation and 40 cm of brick all round. The pool is 5M x 2.5M 9000 litres which I would like to keep at 2- to 23 degrees all year round, I have a heat exchanger on my boiler and a 17Kw air heat pump . My issue is heat loss through the water surface so I need a cost effective lid, I can't find one that will fit and be easy to remove, is there a simple solution? Rob
  2. I recently bought a home which had a hot tub included with the sale. We finally got it up and running and have noticed it loses heat more than we expected it to. We are in eastern Canada and have had some nights down to -4C already. For example a night not long ago it was -3C and we had 4 bathers in the tub for approx 1 - 1.5 hours and the tub was down to 100 (from 104 set) when we got out. I left the cover off for another half hour after we got out to add chemical and the tub was then down to 98. One set of jets was running most of the time, 1 bather had the air turned on for most of the time. The tub model is Legend by Platinum Hot Tubs. The spa pack is a Balboa HS200VS with a 4.0kW heater. I've noticed in researching tubs this is on the low end of heater ratings, with 5.5kW being more common. So I have a few questions... 1. Is this amount of heat loss normal? I hope not because its only going to get colder here, often down to -15C or -20C. 2. Is a heater upgrade possible on this pack? I've seen some recommendations elsewhere saying its never a good idea to upgrade a heater but what makes me think its possible is that the circuit board (P/N 55098) used in this spa pack is the same as a VS510SZ by Balboa which has a 5.5kW heater. And would it make a difference as far as heat loss is concerned? My spa is wired up to a 60A breaker. I've also noticed Balboa sells secondary auxillary heaters in various kW ratings, obviously one of these would require additional wiring but is it possible to retrofit these or are they only installed by spa manufacturers? Any help would be great, thanks.
  3. Hi all, I hate to have this be my first post, but I wanted to throw this out there before I end up "throwing my tub out there." We purchased our first tub (Emerald Spas E550) in September of this year and tried to do as much research as possible to ensure our maintenance costs would be reasonable. We're in the NYC area so we can have falls and winters with varying temperatures. We typically use the tub on the weekends and heat it to 102F. We use it for a half hour and lower the temperature to ~90 when we're done, covering it with the supplied 4"x2" cover from the shop. When we come out in the morning (about 8 hours later), we find that the temperature has dropped to 90 degrees and the tub is in heat mode. From what we've been told by a few shops, manufacturers and other tub users, we should not see that sort of heat loss overnight. Typically - we're told - is that 2-3 degrees is the norm when using a good cover and the tub is insulated properly. We've had a few folks tell us 12 degree drops are definitely not normal. About the tub: It's on a 240 line in a concrete yard. It has a 4"x2" cover and has the spray foam insulation. It does not have reflective insulation on the panels. We are not running it in economy mode. We've called Emerald and they said it's not normal; call the shop. Called the shop and they say "it might be normal". They've sent a tech to look at the electrical setup and he said it's fine; the spa is working as expected and there's no anomalies in the setup. They're saying a 10-12 degree drop is normal and it's "the cost of doing business" when it comes to a tub - but I can't justify $200 in increased cost monthly to use a hot tub 8 days a month in the winter. We can't leave the tub at 102 all the time because it would essentially be heating all the time. My question is - is a 10-12 degree drop normal? Should I try to add insulation myself to the inside of the cabinet? Should I continue to badger the shop or manufacturer? Am I doing something that hot tub newbies shouldn't be doing? Any help is appreciated and of course, let me know if you need more info.
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