General Pump Replacement 1/2" EPDM Quick Disconnect Coupler O-Ring. EPDM is one of the most versatile and durable rubbers available, providing outstanding heat, weather, and ozone resistancee

Specifications
• Fits all standard 1/2" quick disconnect couplers
• Material: EPDM
• Max. Temperature: 250° F
• Color: Brown

Specifications
• Adjustable Range: 1,000 - 4,000 PSI
• Max Flow: 6 GPM
• Max Temp: 200° F.
• Inlet: 3/8" Male NPT
• Weight: 0.3 lbs

Suttner ST-160M Stainless Steel Single Chemical Injector w/Metering Valve, #4.0, 5000 Psi, 3/8" F x 3/8” M

Features
• Food grade quality and specifications
• Stainless steel construction
• Conserves chemicals
• Locks in position for accurate metering
• Multiple metering positions

Specifications
• Orifice: 4.0
• Max Flow Rate: 21 GPM
• Min Flow Rate: 1 GPM
• Max Pressure: 5,000 PSI
• Min Pressure: 1,000 PSI
• Max Temp: 194° F.
• Inlet: 3/8” Female
• Outlet: 3/8” Male
• Hose Barb: .35” ID hose
• Weight: 1.25 lb

Please use Nozzle Chart to determine proper nozzle size

Note: If between sizes, choose the larger nozzle size

Nozzle Chart

Suttner ST-75 Brass Foam Head 4,000 PSI with #7.5 Air Injector Nozzle and 1/4" F Inlet. The ST-75 produces thick foam for an easy and safe application and to save on chemical usage by reducing splash and drift of chemicals

Features
• By means of the foam head ST-75 different foam applications are possible as the air injector nozzle is easily exchangeable and adaptable
• The flat spray nozzle can be infinitely adapted from the vertical position to the horizontal one
• The maximum flow is dependent on the chosen nozzle size
• By means of the integrated air injector in the foam head the air is sucked in on the face side
• Independent of the length of the lance a constant foam quality is guaranteed
• The spraying result is especially even as a high quality foam nozzle insert is used

ST-75 with ST-160 Chemical Injector on YouTube

Specifications
• Air Injector Nozzle Size: 7.5
• Max Pressure: 4,000 PSI
• Flow Rate: 1 - 6 GPM
• Max Temp: 212° F.
• Inlet: 1/4" Female
• Note: Suttner ST-160, ST-160M or St-164 Chemical or Foam injector required and is not included
• Weight: 0.31 lb

Please use Nozzle Chart to determine proper Spray Nozzle Size

Nozzle Chart

Use Spray Nozzle Size and Foam Nozzle Chart to determine correct Foam Nozzle to use

Foam Nozzle Chart