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Amtrol 109-1 Fill-Trol Tank is designed for use in closed, hydronic heating systems. It combines a boiler system expansion tank with an automatic fill valve to control system pressure.
The Amtrol 109-1 Fill-Trol Tank features a thick butyl diaphragm, is factory pre-charged to 12 psig, and has a urethane top coat finish. It is suitable for use in propylene glycol applications with mixtures up to 50%. This tank helps reduce energy consumption and system wear.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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