Boilers/furnace - tankless or tank?

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Jimmy,

I would recomend getting a larger storage tank (50-75) where you are a family of four,when kids get older they will be the biggest offenders of depleting the water.
Sceondly you want a high recovery rate some where in the ball park of 80% of the tanks capacity to 1hr.or higher.

IMO
I like having the two seprate tank and boiler I belive it's more economical.

Jimmy if you want a hand let me know.

[Andy D]

Amtrol Boiler mate . It's piped to your existing boiler and you could get them in varying sizes 40 up to maybe 100 gal.