Copied VR20 3/4" Vacuum Relief Valve with Dust Cover
VR20 3/4" Vacuum Relief Valve with Dust Cover
Features:Prevents internal vacuum conditions: Guards against siphonage, burnt-out heaters, and collapsing of storage tanks and negative pressure.Opens quickly in emergencies: Opens on a one-inch mercury vacuum.Listed by CSA: Inspector friendly, peace of mind.Every valve is tested for performance before shipping: Specify and install with confidenceApplications:For protection of commercial hot water supply systems and pressure vessels against negative pressureThe Cash Acme VR20 Vacuum Relief Valve is designed to protect hot water supply systems and pressure vessels against negative pressure. It is especially well-suited for many domestic and commercial systems.It works by preventing internal vacuum conditions that could result in burned-out heaters and collapsed storage tanks - especially copper. Installed on the cold water supply line, the Cash Acme VR20 closes tightly under pressure and opens at a 1" mercury vacuum. The atmosphere admitted to the system breaks the vacuum, preventing the collapse of the storage tank. It is recommended that the VR20 be installed in an upright position.The VR20 also features a low-profile design with a slotted vent hole. Circular dust protects the vent hole cover approximately 1.75" in diameter. This valve features an all-brass body and body cap, a heat-resistant silicone seat disc, an integral body seat, and brass internal working parts.
Price Comparison
| Seller | Contact Seller | List Price | On Sale | Shipping | Best Promo | Final Price | Volume Discount | Financing | Availability | Seller's Page |
|---|---|---|---|---|---|---|---|---|---|---|
|
BEST PRICE 1 Product Purchase
|
|
$33.00 | $21.88 |
|
$21.88 | See Site | Visit Store |
Reviews
Questions & Answers
Hinged Mounting Panel for DPH/S 28709
$40.79
pH 4.00 Calibration Buffer Solution 0.01 pH
$9.80
1-1/2" Self-Stick Pipe Marker "VAP/LOW"
$3.31
133372 Resistant Wire Marking Sleeve
$2,069.10
Safety Sign "Emergency Shower ..."
$171.00
UV Black Heavy Duty Cable Ties, 25 Pack
$5.66
Reducer Bushing, X 3/4", SXT
$10.81
Digital Refractometer for Invert Sugar
$186.00
113816 Wire Marker Card w/ Legend: 294
$70.19
Amana Tool 47198 Carbide Tipped Down Shear Overhang Trim 3/16 Overhang x 1/2 Dia x 1 Cut Height x 1/4 Shank w/ Lower Ball Bearing Router Bit
$19.46
Terminal for Industrial Scales
$1,805.00
Valve Tag w/ Legend: CHW 251, Black on Brass
$43.10
BULLCAPTAIN 125 Sport Casual Men Chest Bag Top Layer Cowhide Crossbody Single Shoulder Bag - Brown
$14.86
ASTM Class 1 Calibration Weight with Certificate
$1,153.00
.6094" Taper Length Drill
$41.34
Warning Safety Sign "Do Not Dump Chemicals..."
$190.40
151135 BradyJet J2000 Continuous Paper Tape
$169.10
2-Wire Programmable Transmitter, General Purpose
$179.30
Adhesive Vinyl Safety Sign "Emergency Eye Wash"
$7.99
17-1/4" Replacement Amber Dome
$51.48
Calibration Weight 50g, OIML Class E2
$118.30
Outside Spring Calipers, Quick-Nut
$18.10
VITLAB Bucket with Pouring Spout and Graduation
$68.48
Heavy Duty Xenon Stroboscope, 85-240VAC
$502.00
12 Foot Red and White Lead Cord Set
$82.53
30A Connector - Pigtail Adapter
$109.90
x White Drape Sheets 2ply Tissue
$41.72
Festool 577780 Bit cassette BKS SYS3 50mm CE F
$60.00
Cryo LazrTag Label, 11", White
$63.69
Free ToolsToday Refrigerator Magnet 3.5 x
$5.00
TOSIMA W2 Window Cleaning Robot Black
$154.39
D 3719 Freezer Grade White Label
$186.30
0.75 - Marker "Medium Pressure Condensate"
$14.57
Series Number & Letter Label w/ Legend: 1
$9.44
Alligator Test Lead Tips
$13.87
3-1/2" OSHA Safety Label "Live Wire ..."
$15.14
UbiClingCling Label 1, White
$31.07
Tyvek Double Bib Hard Hat Hood Assembly
$93.45
