Description for Watts 0438004
Series 774DCDA Double Check Detector Assemblies are designed for use in
accordance with water utility non-health hazard containment requirements. It
is mandatory to prevent the reverse flow of fire protection system substances,
i.e., glycerin wetting agents, stagnant water and water of non-potable quality
from being pumped or siphoned into the potable water supply.
Torsion spring check valve provides low head loss
Short lay length is ideally suited for retrofit installations
Stainless steel body is half the weight of competitive designs reducing
installation and shipping cost
Stainless steel construction provides long term corrosion
protection and maximum strength
Single top access cover with two-bolt grooved style coupling
for ease of maintenance
Thermoplastic and stainless steel check valves for trouble-free
No special tools required for servicing
Compact construction allows for smaller vaults and enclosures
Furnished with 5/8" x 3/4" (16x19mm) bronze meter (gpm or cfm)
Detects underground leaks and unauthorized water use
May be installed horizontal or vertical ?flow up? position
"Do not use this item for any installation or repair of potable water applications. This product does not comply with the "Safe Drinking Water Act," which requires that products meet low-lead standards in order to be used in systems providing water for human consumption (drinking or cooking). This item is for non-potable (non-human consumption) water applications only."
PLEASE NOTE: The product weighs 344 lbs. and may require the use of a
If you do require a lift gate at your delivery, you'll have the option to add this FREE of charge when you checkout.