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img_0337.jpg Separate oil water heater filled with glycol. Small cushion tank, very small 3 speed pump (less than 1 amp). Auto pressure release valve at the very top of the piping.
img_0337.jpg | Hits: 839 | Posted on: 12/29/07 | View original size (468.55 KB)

Separate oil water heater filled with glycol. Small cushion tank, very small 3 speed pump (less than 1 amp). Auto pressure release valve at the very top of the piping.