Watts 994-LF-FS 4 - Part of the 994 Series R304 Detectable Warning Surfaces thermostat with extension tube and

thermostat with extension tube and extended shank for up to 3 inch thick insulation

double drainage capability via weepholes

UPC - 098268824537

and cover O-ring

and a lead free brass thermowell with accuracy rated at plus or minus 1 percent of full scale

Watts 994-LF-FS 4 - Part of the 994 Series R304 Detectable Warning Surfaces thermostat with extension tube andThis 4 inch lead free reduced pressure zone assembly backflow preventer is assembled without shutoffs and help stop the reverse flow of liquids due to backpressure or backsiphonage, where potential health hazard exists. Its compact modular design facilitates easy maintenance with a single access cover for in line repairs. This assembly consists of a short lay length stainless steel body, test cocks, corrosive resistant stainless steel bottom mounted