WATTS® 388002 56B-410-WA

WATTS® regulators Series 800M4QT anti-siphon pressure vacuum breakers prevent the reverse flow of polluted water from entering into the potable water supply due to back siphonage. It consists of bronze body construction, silicone rubber check valve disc, plastic check valve seat, stainless steel springs, a bonnet with silicone rubber O-ring seal, a lightweight plastic disc float, tee handle or lever handle shut-offs and test cocks for winterization draining. Series 800M4QT is ideal in health hazard continuous pressure applications such as irrigation systems and industrial process water systems where the water enters the equipment at or below its flood rim. The disc float and check valve are suitable for temperatures up to 140 deg F. The resilient sealing float O-ring and seal check disc are silicone rubber which is resistant to heat, shock and chemical attack.

WATTS® Pressure Vacuum Breaker, 1 in Nominal, FNPT Connection, 150 psi Pressure, T-Handle Operator, Bronze Body, 33 to 140 deg F, Dimensions: 7-1/2 in L x 7-1/2 in H

• Replaceable plastic seat
• Easy maintenance of internal parts
• Acetal bonnet acts as "freeze plug" to prevent body damage
• O-ring bonnet seal for less possibility of fouling
• Silicone seat disc for durability
• Test cocks positioned for easy testing and winterization
• Compact, space saving design
• Standardly equipped with tee handle quarter-turn ball valve shut-offs
• No special tools required for servicing
• Stainless steel spring, celcon bonnet, silicone rubber vent disc, polypropylene disc holder float, silicone rubber check valve disc, Noryl plastic check valve seat

• Instruction/Installation Manual https://assets.unilogcorp.com/267/ITEM/DOC/WATTS_388002_Manual.pdf
• Specification Sheet https://assets.unilogcorp.com/267/ITEM/DOC/WATTS_388002_Specification_Sheet.pdf