Watts Regulator Company

Water Expansion Tanks

Watts Regulator Company was founded in 1874 by Joseph Watts. In the 1900's Watts developed the combination temperature and pressure relief valve. These valves are still an integral part of plumbing systems today. Today, Watts is an international company that offers an extensive line of water flow products.

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Domestic Potable Water Expansion Tanks

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.

Model	List Price	Your Price	Quantity
#0067701, Size 10" x 15" DET-12-M1	$131.65	$105.32 Have you seen it lower?

Domestic Potable Water Expansion Tank

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.

Model	List Price	Your Price	Quantity
#0067700, Size 8.5" x 11" DET-5-M1	$98.25	$78.60 Have you seen it lower?

Non-Potable Heating System Water Expansion 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.

Model	List Price	Your Price	Quantity
ET15 ET-15	$54.40	$43.52 Have you seen it lower?
ET30 ET-30	$66.45	$53.16 Have you seen it lower?
ET60 ET-60	$134.75	$107.80 Have you seen it lower?
ET90 ET-90	$184.35	$147.48 Have you seen it lower?

Watts DET-20 M1 Potable Water Expansion Tank (0067702)

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.

Model	List Price	Your Price	Quantity
12-1/2" x 19" DET-20 M1	$239.20	$191.36 Have you seen it lower?

Watts DET-35 M1 Potable Water Expansion Tank (0067702)

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.

Model	List Price	Your Price	Quantity
16" x 21.7" DET-35 M1	$305.45	$244.36 Have you seen it lower?

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