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I'm not sure but I think Jacuzzi has the only spas with an individual push button air injection for each seat. It is a great feature that allows you to push a button to get either a full water massage or a 50/50 ratio of air to water. This is nice for those times where you just want a gentle massage without diverting the power or dialing all your jets down. It also lets you have a different type of massage. Just a little FYI. Tileman
Yes my Caldera has four air valves...mentioned earlier in this post. Also I have an air button when I want to add a whirlpool affect.I noticed somewhere that upon exiting the tub you should turn the air valves down or off. What is the reason for this? Does it help the tub to retain heat when not in use?Marc
QuoteYes my Caldera has four air valves...mentioned earlier in this post. Also I have an air button when I want to add a whirlpool affect.I noticed somewhere that upon exiting the tub you should turn the air valves down or off. What is the reason for this? Does it help the tub to retain heat when not in use?MarcJust to save energy, the air cools the water faster.