Best Check Valve Couplings

1/4 Plastic Hose Barb Beer line Quick Disconnect With Shut Off Beer Tubing and Gas line Check Valve Quick Connector In-Line Set Food Grade Homebrew Kegging…

This Food Grade plastic quick disconnect set features 1/4" barb about 7.5MM..
Shutoffs(check valve) prevent leakage when disconnected.Use these high quality, food-grade quick-disconnects on your gas and beer tubing lines..
These couplings make it very easy to swap out couplers and other beer and air side accessories..
Made of Food-grade plastic with 316 stainless steel springs and NSF approved..
The temperature range is -40F to 180F.They can handle a vacuum to 80 psi - so you need not worry about them leaking gas..

2 Sets, 1/2" Body, 1/2" NPT Thread, Poppet Valve.
Most common couplers used in the Agriculture, Construction and Logging industries.
Interchangeable with all ISO 5675 series including ball seat valve, poppet seal, push-pull couplings, and ISO 7241.

5-piece universal gas-appliance hook-up kit.
Comes with everything needed for installing most gas appliances.
Includes 18-inch flexible gas line, 3 different couplings and on/off valve.
On/off valve provides easy servicing of appliances or summer shutdown.
Solid brass fittings. One Stop Universal Gas Appliance Hook Up Kit has everything needed for installation and can be used with gas logs, unvented wall mount heaters, gas stoves, and garage heaters.

2 sets Ag hydraulic quick connect tractor couplers,easy to connect and disconnect,with hydraulic coupler dust caps.
Body Size: 1/2″ Body,Thread Size: 1/2″ NPT Thread, Poppet Valve.
The Ag hydraulic couplers interchange with all ISO 5675 series including ball seat valve, push-pull couplings, poppet seal and ISO 7241.
Most common quick connect couplers used in the agriculture, construction and logging industries.
Made by harden steel construction for superior corrosion resistance.

This 3/4″ water check valve is installed in the inlet side of the circulation pumps plumbing to prevent the back flow of water through the circulation pump once the jet pump is activated.
Works on Tiger River Spas, Hot Spring Spas, and Limelight Spas..
All water check valves have arrows stamped on the outside to indicate the direction of flow which should be pointer towards the circulation pump..
Troubling Shooting: The symptoms of a non-operative check valve are.
* Water Leak – If water is leaking from around the check valve, it should be replaced. * Rattling – A rattling check valve indicates that water is not being allowed to flow properly past/ through the check valve. * Verify the check valve is installed with the flow in the correct direction. * Heater High-Limit Tripping – Poor water flow through the check valve could lead to heater high-limit tripping. Ensure the check valve is n.

【PVC Ball Check Valve】Schedule 80 PVC ball check valves have a spherical ball inside the valve body which works as a check to allow flow in one direction and close off to prevent back-flow..
【INSTALLATION TIP】PVC union check valves are designed for VERTICAL installations, MUST be used in an upflow position to work properly. Check valves MUST be installed with the valve's flow arrow pointing in the direction of the flow. Do not install valve upside down.（NOTE: NO SPRING).
【PVC Union Check Valve】True union check valve, can be taken apart for cleaning, allows for easy removal without breaking down the piping connection..
【Material】1'' Slip check valve made of PVC material, O-ring with EPDM material, low-temperature-resistant, impact-resistance, ultraviolet-resistance, rust-resistance. Fits for Schedule 80 1 Inch Pipe..
【Application】PVC Swing Check Valve 1’’(DN25) - Non-return or "one way" valve is ideal for flow control, such as commercial plumbing, aquariums, irrigation, swimming pools, water parks and OEM applications..

2 sets 3/8" Ag hydraulic quick connect couplers,easy to connect and disconnect,with hydraulic coupler dust caps.
Body Size: 3/8″ ISO,Thread Size: 3/8″ NPT Thread, Poppet Valve.
The Ag hydraulic couplers interchange with all ISO 5675 series including ball seat valve, push-pull couplings, poppet seal.
Most common quick connect couplers used in the agriculture, construction and logging industries.
Made by harden steel construction for superior corrosion resistance,with 4,000 PSI Rating,6 GPM NORMAL Flow,12.15 GPM Max Flow.

Product 1: 30,000 BTU Natural Gas heater to heat spaces up to 1000 square feet.
Product 1: Blue flame burner for even convection heat. Maximum Elevation (Ft)-4500. Fuel Consumption/Burn Rate (Gal/Hr)- .030 MCF.
Product 1: Automatic low oxygen shut-off system (ODS). CSA Certified.
Product 1: Operating this heater at altitudes over 4,500 FT above sea level could cause pilot/ODS to shutdown the heater.included.Theromostat, legs and wall mounting hardware.
Product 2: 5-piece universal gas-appliance hook-up kit.
Product 2: Comes with everything needed for installing most gas appliances.
Product 2: Includes 18-inch flexible gas line, 3 different couplings and on/off valve.
Product 2: On/off valve provides easy servicing of appliances or summer shutdown.