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  2. Whirlpool Baths
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      • WPB Plugs
      • WPB PVC Fittings & Glue
      • WPB Skimmer Assemblies & Parts
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      • WPB Ozonators
      • WPB Ozonator Parts
      • WPB Salt Systems & Chlorinators
      • WPB Misc. Sanitizers
    • WPB Topside Control Panels
      • WPB Inlays, Decals & Faceplates
      • WPB Topside Controls
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  3. Pools
    • Pool Air Buttons
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    • Pool Salt Systems, Ozonators, Cleaners & Sanitizers
      • Pool Bromine
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      • Pool Cleaners & Vacuums
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      • Pool PVC Fittings & Glue
      • Pool Skimmer Assemblies & Parts
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35+ Years In Business!

Contact | Tracking | Technical

Click Above For Fastest Response Times

StampedCustomerReviews
PSS - Pool Spa Supplies
  1. Hot Tubs
    • Air Buttons
      • Actuators
    • Blowers
      • Air Check Valves
      • Blowers
    • Control Systems
      • Baptismal Controls
      • Spa Controls
      • Steam Units
    • Electrical
      • Air Switches
      • Cables, Cords & Adapters
      • Circuit Boards
      • Flow Switches
      • Fuses
      • GFCIs & Loadcenters
      • High-Limits
      • Lighting
      • Misc. Electronics
      • Pressure Switches
      • Relays & Contactors
      • Sensors
      • Steppers & Other Switches
      • Terminals & Terminal Blocks
      • Timers & Time Clocks
      • Thermostats
      • Transformers
      • Vacuum Switches
    • Filter Assemblies & Parts
      • Filter Cartridges
      • Spa Filter Parts
      • Spa Filter Assemblies
    • Heaters
      • Heater Elements
      • Spa Heaters
      • Spa Heater Parts
    • Jets
      • Jet Assemblies
      • Jet Bodies
      • Jet Internals
      • Jet Parts
    • Miscellaneous Parts
      • Hardware
      • Tools
      • Misc. Parts
    • Plumbing
      • Air Controls
      • Air Injectors
      • Check Valves
      • Diverter, On / Off & Drain Valves
      • Flex Pipe & Tubing
      • PVC Fittings & Glue
      • Gate / Slide & Ball Valves
      • Hose Bibs
      • Manifolds / Barb Adapters
      • Plugs
      • Skimmer Assemblies & Parts
      • Suctions & Drains
      • Thermowells
      • Tubing
      • Unions
    • Pumps
      • Impellers
      • Wet Ends
      • Go-Kits
      • Pump Seals
      • Pump Traps
      • Air Pumps
      • Circulation Pumps
      • Volutes
      • Wear Rings
      • Bases
      • Capacitors
      • Motors
      • Spa Pumps
      • Pump Parts
    • Salt Systems, Ozonators, Cleaners & Sanitizers
      • Bromine
      • Chlorine Feeders
      • Misc. Sanitizers
      • Ozonators
      • Ozonator Parts
      • Salt Systems & Chlorinators
    • Spa Accessories
      • Audio
      • Fragrances & Salts
      • Pillows
      • Rubber Duckies
      • Signs
      • Spa Cabinets
      • Spa Covers & Lifters
      • Waterfalls, Steps, etc
    • Topside Control Panels
      • Topside & Spaside Controls
      • Inlays, Decals & Faceplates
    • O-Rings & Gaskets
  2. Whirlpool Baths
    • Filter Assemblies & Parts
      • WBP Filter Cartridges
    • WBP Blowers
      • WPB Air Check Valves
      • WPB Blowers 2
    • WPB Air Buttons
      • WPB Actuators
    • WPB Control Systems
      • Whirlpool Bath Controls
      • WPB Steam Units
      • WPB Baptismal Controls
    • WPB Electrical
      • WPB Air Switches
      • WPB Cables, Cords & Adapters
      • WPB Circuit Boards
      • WPB Flow Switches
      • WPB Fuses
      • WPB GFCIs & Loadcenters
      • WPB High-limits
      • WPB Lighting
      • WPB Misc. Electronics
      • WPB Pressure Switches
      • WPB Relays & Contractors
      • WPB Sensors
      • WPB Steppers & Other Switches
      • WPB Terminals & Terminal Blocks
      • WPB Thermostats
      • WPB Timers & Time Clocks
      • WPB Transformers
      • WPB Vacuum Switches
    • WPB Heaters
      • Whirlpool Bath Heaters
      • WPB Heater Elements
    • WPB Jets
      • WPB Jet Assemblies
      • WPB Jet Bodies
      • WPB Jet Internals
      • WPB Jet Parts
    • WPB Miscellaneous Parts
      • WPB Hardware
      • WPB Tools
      • WPB Misc. Parts
    • WPB Plumbing
      • WPB Air Controls
      • WPB Air Injectors
      • WPB Check Valves
      • WPB Diverter, On/Off & Drain Valves
      • WPB Flex Pipe & Tubing
      • WPB Gate / Slide & Ball Valves
      • WPB Hose Bib
      • WPB Manifolds / Barb Adapters
      • WPB Plugs
      • WPB PVC Fittings & Glue
      • WPB Skimmer Assemblies & Parts
      • WPB Suctions & Drains
      • WPB Thermowells
      • WPB Tubing
      • WPB Unions
    • WPB Pumps
      • WPB Air Pumps
      • WPB Bases
      • WPB Capacitors
      • WPB Circulation Pumps
      • WPB Go-Kits
      • WPB Impellers
      • WPB Motors
      • WPB Pump Parts
      • WPB Pump Seals
      • WPB Pump Traps
      • WPB Volutes
      • Whirlpool Bath Pumps
      • WPB Wet Ends
      • WPB Wear Rings
    • WPB Salt Systems, Ozonators, Cleaners & Sanitizers
      • WPB Bromine
      • WPB Chlorine Feeders
      • WPB Ozonators
      • WPB Ozonator Parts
      • WPB Salt Systems & Chlorinators
      • WPB Misc. Sanitizers
    • WPB Topside Control Panels
      • WPB Inlays, Decals & Faceplates
      • WPB Topside Controls
    • WPB O-Rings & Gaskets
  3. Pools
    • Pool Air Buttons
      • Pool Actuators
    • Pool Blowers
      • Pool Blowers 2
      • Pool Air Check Valves
    • Pool Control Systems
      • Pool Controls
      • Pool Baptismal Controls
      • Pool Steam Units
    • Pool Electrical
      • Pool Air Switches
      • Pool Cables, Cords & Adapters
      • Pool Circuit Boards
      • Pool Fuses
      • Pool Flow Switches
      • Pool GFCIs & Loadcenters
      • Pool High-limits
      • Pool Lighting
      • Pool Misc. Electronics
      • Pool Pressure Switches
      • Pool Relays & Contractors
      • Pool Sensors
      • Pool Steppers & Other Switches
      • Pool Terminals & Terminal Blocks
      • Pool Thermostats
      • Pool Timers & Time Clocks
      • Pool Transformers
      • Pool Vacuum Switches
    • Pool Filter Assemblies & Parts
      • Pool Filter Cartridges
      • Pool Filter Assemblies
      • Pool Filter Parts
    • Pool Heaters
      • Pool Heater Parts
      • Pool Heaters
      • Pool Heater Elements
    • Pool Jets
      • Pool Jet Assemblies
      • Pool Jet Bodies
      • Pool Jet Internals
      • Pool Jet Parts
    • Pool Miscellaneous Parts
      • Pool Tools
      • Pool Hardware
      • Pool Misc. Parts
    • Pool Pumps
      • Pool Air Pumps
      • Pool Bases
      • Pool Capacitors
      • Pool Circulation Pumps
      • Pool Go-Kits
      • Pool Impellers
      • Pool Motors
      • Pool Pumps
      • Pool Pump Parts
      • Pool Pump Seals
      • Pool Pump Traps
      • Pool Volutes
      • Pool Wear Rings
      • Pool Wet Ends
    • Pool Salt Systems, Ozonators, Cleaners & Sanitizers
      • Pool Bromine
      • Pool Chlorine Feeders
      • Pool Misc. Sanitizers
      • Pool Ozonator Parts
      • Pool Ozonators
      • Pool Cleaner Parts
      • Pool Cleaners & Vacuums
      • Pool Salt Systems & Chlorinators
    • Pool Topside Control Panels
      • Poolside Control Panels
      • Pool Inlays, Decals & Faceplates
      • Pool Topside Controls
    • Pool Plumbing
      • Pool Air Controls
      • Pool Air Injectors
      • Pool Check Valves
      • Pool Diverter, On/Off & Drain Valves
      • Pool Flex Pipe & Tubing
      • Pool Gate / Slide & Ball Valves
      • Pool Hose Bibs
      • Pool Manifolds / Barb Adapters
      • Pool Plugs
      • Pool PVC Fittings & Glue
      • Pool Skimmer Assemblies & Parts
      • Pool Suctions & Drains
      • Pool Thermowells
      • Pool Tubing
      • Pool Unions
    • Pool O-Rings & Gaskets

Pentair - Diaphragm 20 Ind 35Gal - U20-13L

SKU
_U20-13L
SKU as configured

Regular Price:$172.91

$172.91
Diaphragm 20 Ind 35Gal

Availability: Out of stock


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  • DESCRIPTION
  • DOCUMENTATION

  • Discontinued by manufacturer. 


    Pentair - Diaphragm 20 Ind 35Gal - U20-13L

    Replaces: 391206

Need help determining the correct parts for your POOL, HOT TUB, or JETTED BATH?  Contact us!

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