Commercial washers with RPZ on both the hot and cold water supply. Soft seated cone checks on both sides of the backflow preventers.
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Existing epoxy coated 4" 909 serving the dialysis center was in tough shape and replaced with a 2" Febco 825YA which was solid brass.
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Two 21/2" 909's epoxy coated valves replaced with two 2" Febco 825YA's.
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Replaced old backfow preventer with OS&Y's with a new Apollo 6" DCVA with supervised butterfly valves. The existing piping we kept.
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Two Febco 2" 825YA backflow preventers with soft seated cone checks on both side of it.
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A commercial bottle washer with no protection.
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This 2" Febco 2" 825YA replaced the old 4" 909. It has soft seated cone checks on both sides of it.
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This Apollo 3" stainless steel RPZ replaced the old 4" epoxy coated 909.
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Installed a new Wilkens DCVA with butterfly valves on both sides.
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Two 3/4" Febco 825YA's were installed to protect the water from possible contamination.
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We added soft seated cone checks on both sides of the backflow preventers along with water hammer arrestors.
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Epoxy coated backflow preventers collect thinngs to them easily.
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This epoxy coated backflow was replaced with a new stainless steel DCVA.
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Replaced it with a new stainless steel RPZ with OS&Y valves.
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This build up was from the epoxy coated OS&Y valve before it. This backflow was taken out along with the old OS&Y valves later on.
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This Wilkens DCVA was stuck in the open position.
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None of the ball valves worked and was replaced later on.
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Watts 1" 909 serving the commercial boiler.
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Rebuilding a Watts 4" 909 after hours.
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Again epoxy coated valves catching everything.
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Our new replacements of the old.
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We installed for the first time Flowmatic cone checks along with a thermal expansion tank. This helped our new backflow preventers from being effected by rising and falling pressures.
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A 6" DCVA had to be installed onto this existing fire sprinkler system. The room was very small.
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We installed this special design DCVA that fit our needs perfectly.
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This new DCVA replaced the defective one on the floor.
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This old leaky 909 was replaced and repiped with new.
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This replaced that leaky 4"909. Two new Febco 825YA RPZ's.
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We took out the old Watts 6" 909 and replaced it with five 2" Febco 825YA's.
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This was the other location in the hospital where we replaced the 6" 909 with five 2" Febco's.
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The Febco 2" 825YA's are very versatile.
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Taking out the old 6" 909.
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This Febco 4" 870 DCVA worked very well with this installation.
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This was the existing set up.
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A whole new water service with all new valves and piping.
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Replacement with a new Apollo DCVA.
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The local town did not want us to install the backflow vertically.
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