DET-12-M1, Potable Water Expansion Tanks by Watts. Series DET-M1 Domestic Potable Water Expansion Tanks are used on gas, oil, or electric, direct-fired, residential water heater and hot water storage tank applications to absorb the increased volume of water created by thermal expansion. Model #DET12M1, Part #0067701.

Series DET-M1 Watts - Domestic Potable Water Expansion Tanks are used on gas, oil, or electric, direct-fired, residential water heater and hot water storage tank applications to absorb the increased volume of domestic water created by thermal expansion. (Image is of a DET-20-M1, similar but larger) The item represented for sale is model #DET-5 M1.

DT-2 Drain-O-Tank® Air Charger by Bell & Gossett offers a sure, quick way to recharge a water-logged compression tank. Application the DT-2 Drain-O-Tank® Air Charger is use within a hydronic heating system in a non-diaphram type expantion tank.

ET-15 Water Expansion Tanks are used in non-potable hot water (Hydronic) Heating Systems. Watts Series ET - Expansion Tanks are designed to absorb the increased volume of water caused by thermal expansion and maintain a balanced pressure throughout the hot water heating system.

Watts DET-20 M1 Potable Water Expansion Tanks are designed to absorb thermal expansion and to maintain balanced pressure throughout the potable water supply system.

Watts DET-35 M1 Potable (drinking) Water Expansion Tank (0067703). Series DET Potable Water Expansion Tanks are designed to absorb the increased volume of water created by thermal expansion and to maintain balanced pressure throughout the potable water supply system.