WATTS® 800M4QT Series 800M4QT 1 Vacuum Breaker, 1 x 1 in Nominal, Female x Female, 150 psi, Cast Bronze Body

This 1 in anti-siphon pressure vacuum breaker backflow preventer helps prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. 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 shutoffs and test cocks for winterization draining. It 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 maximum pressure is 150 psi (10.3 bar) and the minimum pressure is 15 psi (55kPa).

WATTS® Vacuum Breaker, 800M4QT Series, 1 x 1 in Nominal, Female x Female Connection, 150 psi, Cast Bronze Body, 33 to 140 deg F

• Internal parts easily serviceable in line from top of unit
• Includes FNPT inlet and outlet with quarter turn shutoffs
• Durable bronze body construction
• For use in health hazard cross connections and continuous pressure applications
• Designed for minimum head loss
• Minimum pressure of 15 psi and maximum pressure of 150 psi

• Instruction/Installation Manual https://assets.unilogcorp.com/267/ITEM/DOC/WATTS_800M4QT_1_Instruction_Installation_Manual.pdf
• Specification Sheet https://assets.unilogcorp.com/267/ITEM/DOC/WATTS_800M4QT_1_Specification_Sheet.pdf