XT-90 13.5 Gal Expansion Tank 319143-566 Aquastat® Controllers from Resideo are

Aquastat® Controllers from Resideo are immersion type devices for limiting or regulating the temperature of liquids in boilers

Replaces: 107936-01

The long length of sensor wire eliminates the need to splice the wire for extra length

filter monitoring

Whether you have a hydronic

XT-90 13.5 Gal Expansion Tank 319143-566 Aquastat® Controllers from Resideo arethe XT Series expansion tanks are solid and have proven reliable in millions of installations worldwide. The two shell welded construction allows the tank to withstand high pressure ratings and therefore adds safety to your system. The BUTYL diaphragm separates the air from the water and prevents waterlogging while saving space and energy. Product is intended for use in hot water, solar and cooling systems and is compatible with glycol only.