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John Guest

John Guest is the leading manufacturer of push-fit fittings, including pipe fittings and valves for home and commercial plumbing and drinking systems 


  • John Guest PI4608S End Stop - 1/4 end stop JOHN GUEST
    Save up to 41% % Off
    $1.16 - $11.29
    ($1.16 each)
    Original price $1.98 - Original price $11.29
    Original price $1.98 - Original price $11.29
    Original price $1.98
    $1.16 - $11.29
    Current price $1.16

    John Guest PI4608S End Stop - 1/4

    JOHN GUEST
    PI4608S

    Features: Used to cap OD sized tubing Compatible with plastic or copper OD sized tubing Food Quality and suitable for potable liquids and pure wat...

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    $1.16 - $11.29
    ($1.16 each)
    Original price $1.98 - Original price $11.29
    Original price $1.98 - Original price $11.29
    Original price $1.98
    $1.16 - $11.29
    Current price $1.16
    Save up to 41% % Off
  • John Guest PI0816S Plug - 1/2 plug JOHN GUEST
    Save up to 37% % Off
    $1.35 - $12.79
    ($1.35 each)
    Original price $2.15 - Original price $12.79
    Original price $2.15 - Original price $12.79
    Original price $2.15
    $1.35 - $12.79
    Current price $1.35

    John Guest PI0816S Plug - 1/2

    JOHN GUEST
    PI0816S

    Features: Used to plug the push-fit port of a fitting Compatible with plastic or copper OD sized tubing Food Quality and suitable for potable liqu...

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    $1.35 - $12.79
    ($1.35 each)
    Original price $2.15 - Original price $12.79
    Original price $2.15 - Original price $12.79
    Original price $2.15
    $1.35 - $12.79
    Current price $1.35
    Save up to 37% % Off
  • John Guest PI0812S Plug - 3/8 plug JOHN GUEST
    Save up to 36% % Off
    $0.89 - $8.49
    ($0.89 each)
    Original price $1.39 - Original price $8.49
    Original price $1.39 - Original price $8.49
    Original price $1.39
    $0.89 - $8.49
    Current price $0.89

    John Guest PI0812S Plug - 3/8

    JOHN GUEST
    PI0812S

    Features: Used to plug the push-fit port of a fitting Compatible with plastic or copper OD sized tubing Food Quality and suitable for potable liqu...

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    $0.89 - $8.49
    ($0.89 each)
    Original price $1.39 - Original price $8.49
    Original price $1.39 - Original price $8.49
    Original price $1.39
    $0.89 - $8.49
    Current price $0.89
    Save up to 36% % Off
  • John Guest PI291208S Stem Elbow Barb Connector - 3/8 OD Stem x 1/4 ID Barb STEM TO HOSE BARB ELBOW Gray Acetal JOHN GUEST 10 pack
    John Guest PI290808S Stem Elbow Barb Connector - 1/4 OD Stem x 1/4 ID Barb stem hose barb elbow JOHN GUEST
    Save up to 28% % Off
    $1.69 - $15.86
    ($1.69 each)
    Original price $2.98 - Original price $21.99
    Original price $2.98 - Original price $21.99
    Original price $2.98
    $1.69 - $15.86
    Current price $1.69

    John Guest PI291208S Stem Elbow Barb Connector - 3/8 OD Stem x 1/4 ID Barb

    JOHN GUEST
    PI290808S

    John Guest PI291208S Stem Elbow Barb Connector - 3/8 OD Stem x 1/4 ID Barb Features: Push-fit Technology creates reliable, leak-free connections.Us...

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    $1.69 - $15.86
    ($1.69 each)
    Original price $2.98 - Original price $21.99
    Original price $2.98 - Original price $21.99
    Original price $2.98
    $1.69 - $15.86
    Current price $1.69
    Save up to 28% % Off
  • John Guest PI251616S Stem Barb Connector - 1/2" OD Stem x 1/2" ID Barb STEM TO HOUSE BARB Grey Acetal JOHN GUEST 10 Pack
    John Guest PI251616S Stem Barb Connector - 1/2" OD Stem x 1/2" ID Barb STEM TO HOUSE BARB Grey Acetal JOHN GUEST 1 Pack
    Save up to 13% % Off
    $2.74 - $25.99
    ($2.74 each)
    Original price $3.98 - Original price $29.99
    Original price $3.98 - Original price $29.99
    Original price $3.98
    $2.74 - $25.99
    Current price $2.74

    John Guest PI251616S Stem Barb Connector - 1/2" OD Stem x 1/2" ID Barb

    JOHN GUEST
    PI251616S

    John Guest PI251616S TUBE TO HOSE STEM 1/2" STEM OD 1/2" HOSE ID Features: Push-fit Technology creates reliable, leak-free connectionsStem easily i...

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    $2.74 - $25.99
    ($2.74 each)
    Original price $3.98 - Original price $29.99
    Original price $3.98 - Original price $29.99
    Original price $3.98
    $2.74 - $25.99
    Current price $2.74
    Save up to 13% % Off
  • John Guest PI251612S Stem Barb Connector - 1/2 OD Stem x 3/8 ID Barb stem barb connector JOHN GUEST
    John Guest PI251612S Stem Barb Connector - 1/2 OD Stem x 3/8 ID Barb STEM TO HOUSE BARB Grey Acetal JOHN GUEST 1 Pack
    Save up to 20% % Off
    $2.09 - $19.28
    ($2.09 each)
    Original price $3.49 - Original price $23.99
    Original price $3.49 - Original price $23.99
    Original price $3.49
    $2.09 - $19.28
    Current price $2.09

    John Guest PI251612S Stem Barb Connector - 1/2 OD Stem x 3/8 ID Barb

    JOHN GUEST
    PI251612S

    John Guest PI251612S TUBE TO HOSE STEM 1/2 STEM OD 3/8 HOSE ID Features: Push-fit Technology creates reliable, leak-free connectionsStem easily ins...

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    $2.09 - $19.28
    ($2.09 each)
    Original price $3.49 - Original price $23.99
    Original price $3.49 - Original price $23.99
    Original price $3.49
    $2.09 - $19.28
    Current price $2.09
    Save up to 20% % Off
  • John Guest PI251216S Stem Barb Connector - 3/8 OD Stem x 1/2 ID Barb STEM TO HOUSE BARB Grey Acetal JOHN GUEST 10 Pack
    John Guest PI251216S Stem Barb Connector - 3/8 OD Stem x 1/2 ID Barb STEM TO HOUSE BARB Grey Acetal JOHN GUEST 1 Pack
    Save up to 14% % Off
    $2.64 - $24.99
    ($2.64 each)
    Original price $3.98 - Original price $28.99
    Original price $3.98 - Original price $28.99
    Original price $3.98
    $2.64 - $24.99
    Current price $2.64

    John Guest PI251216S Stem Barb Connector - 3/8 OD Stem x 1/2 ID Barb

    JOHN GUEST
    PI251216S

    John Guest PI251216S TUBE TO HOSE-  STEM 3/8" STEM OD 1/2" HOSE BARB ID Features: Push-fit Technology creates reliable, leak-free connectionsStem e...

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    $2.64 - $24.99
    ($2.64 each)
    Original price $3.98 - Original price $28.99
    Original price $3.98 - Original price $28.99
    Original price $3.98
    $2.64 - $24.99
    Current price $2.64
    Save up to 14% % Off
  • John Guest PI251208S Stem Barb Connector - 3/8 OD Stem x 1/4 ID Barb STEM TO HOUSE BARB Grey Acetal JOHN GUEST 10 pack
    John Guest PI251208S Stem Barb Connector - 3/8 OD Stem x 1/4 ID Barb STEM TO HOUSE BARB Grey Acetal JOHN GUEST 1 Pack
    Save up to 14% % Off
    $1.85 - $17.19
    ($1.85 each)
    Original price $2.98 - Original price $19.99
    Original price $2.98 - Original price $19.99
    Original price $2.98
    $1.85 - $17.19
    Current price $1.85

    John Guest PI251208S Stem Barb Connector - 3/8 OD Stem x 1/4 ID Barb

    JOHN GUEST
    PI251208S

    John Guest PI251208S TUBE TO HOSE STEM 3/8 STEM OD 1/4 HOSE ID Features:Push-fit Technology creates reliable, leak-free connectionsStem easily inse...

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    $1.85 - $17.19
    ($1.85 each)
    Original price $2.98 - Original price $19.99
    Original price $2.98 - Original price $19.99
    Original price $2.98
    $1.85 - $17.19
    Current price $1.85
    Save up to 14% % Off
  • John Guest PI4512F6S Gray Acetal Flare Female Connector 3/8 x 3/8 FFL faucet connector JOHN GUEST
    Save up to 31% % Off
    $3.38 - $31.79
    ($3.38 each)
    Original price $4.89 - Original price $31.79
    Original price $4.89 - Original price $31.79
    Original price $4.89
    $3.38 - $31.79
    Current price $3.38

    John Guest PI4512F6S Female Adapter Flare - 3/8 x 3/8 Flare

    JOHN GUEST
    PI4512F6S

    Features: Push-fit Technology creates reliable, leak-free connections Used to connect OD tubing to male flare Threads Compatible with plastic or c...

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    $3.38 - $31.79
    ($3.38 each)
    Original price $4.89 - Original price $31.79
    Original price $4.89 - Original price $31.79
    Original price $4.89
    $3.38 - $31.79
    Current price $3.38
    Save up to 31% % Off
  • John Guest FemalePI4512F4S Adapter Flare - 3/8 x 1/4 Flare faucet connector JOHN GUEST
    Save up to 21% % Off
    $2.74 - $25.99
    ($2.74 each)
    Original price $4.15 - Original price $33.00
    Original price $4.15 - Original price $33.00
    Original price $4.15
    $2.74 - $25.99
    Current price $2.74

    John Guest PI4512F4S Female Adapter Flare - 3/8 x 1/4 Flare

    JOHN GUEST
    PI4512F4S

    Features: Push-fit Technology creates reliable, leak-free connections Used to connect OD tubing to male flare Threads Compatible with plastic or c...

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    $2.74 - $25.99
    ($2.74 each)
    Original price $4.15 - Original price $33.00
    Original price $4.15 - Original price $33.00
    Original price $4.15
    $2.74 - $25.99
    Current price $2.74
    Save up to 21% % Off
  • John Guest PI451222S Female Adapter NPTF - 3/8 x 1/4 NPTF faucet connector JOHN GUEST
    Save up to 34% % Off
    $3.79 - $34.29
    ($3.79 each)
    Original price $5.78 - Original price $34.29
    Original price $5.78 - Original price $34.29
    Original price $5.78
    $3.79 - $34.29
    Current price $3.79

    John Guest PI451222S Female Adapter NPTF - 3/8 x 1/4 NPTF

    JOHN GUEST
    PI451222S

    Features: Push-fit Technology creates reliable, leak-free connections Used to connect OD tubing to male NPT Threads Compatible with plastic or cop...

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    $3.79 - $34.29
    ($3.79 each)
    Original price $5.78 - Original price $34.29
    Original price $5.78 - Original price $34.29
    Original price $5.78
    $3.79 - $34.29
    Current price $3.79
    Save up to 34% % Off
  • John Guest CI3208U7S Faucet Connector UNS - 1/4 x 7/16 UNS faucet connector JOHN GUEST
    Save up to 45% % Off
    $2.19 - $21.49
    ($2.19 each)
    Original price $3.98 - Original price $21.49
    Original price $3.98 - Original price $21.49
    Original price $3.98
    $2.19 - $21.49
    Current price $2.19

    John Guest CI3208U7S Faucet Connector UNS - 1/4 x 7/16 UNS

    JOHN GUEST
    CI3208U7S

    Features: Push-fit Technology creates reliable, leak-free connections Used to connect OD tubing sizes to male BSPP threads Compatible with plastic ...

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    $2.19 - $21.49
    ($2.19 each)
    Original price $3.98 - Original price $21.49
    Original price $3.98 - Original price $21.49
    Original price $3.98
    $2.19 - $21.49
    Current price $2.19
    Save up to 45% % Off
  • John Guest PI121208S Bulkhead Union - 3/8 x 1/4 reducing bulkhead union JOHN GUEST
    Save up to 26% % Off
    $5.19 - $46.99
    ($5.19 each)
    Original price $6.98 - Original price $46.99
    Original price $6.98 - Original price $46.99
    Original price $6.98
    $5.19 - $46.99
    Current price $5.19

    John Guest PI121208S Bulkhead Union - 3/8 x 1/4

    JOHN GUEST
    PI121208S

    Features: Push-fit Technology creates reliable, leak-free connections Used to connect OD tubing through a cabinet wall or bulkhead Compatible with...

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    $5.19 - $46.99
    ($5.19 each)
    Original price $6.98 - Original price $46.99
    Original price $6.98 - Original price $46.99
    Original price $6.98
    $5.19 - $46.99
    Current price $5.19
    Save up to 26% % Off
  • John Guest PI1216S Bulkhead Union - 1/2 x 1/2 bulkhead union JOHN GUEST
    Save up to 25% % Off
    $8.99 - $78.99
    ($8.99 each)
    Original price $11.98 - Original price $78.99
    Original price $11.98 - Original price $78.99
    Original price $11.98
    $8.99 - $78.99
    Current price $8.99

    John Guest PI1216S Bulkhead Union - 1/2 x 1/2

    JOHN GUEST
    PI1216S

    Features: Push-fit Technology creates reliable, leak-free connections Used to connect OD tubing through a cabinet wall or bulkhead Compatible with...

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    $8.99 - $78.99
    ($8.99 each)
    Original price $11.98 - Original price $78.99
    Original price $11.98 - Original price $78.99
    Original price $11.98
    $8.99 - $78.99
    Current price $8.99
    Save up to 25% % Off
  • John Guest PI1212S Bulkhead Union - 3/8 x 3/8 bulkhead union JOHN GUEST
    Save up to 42% % Off
    $4.08 - $38.99
    ($4.08 each)
    Original price $6.98 - Original price $38.99
    Original price $6.98 - Original price $38.99
    Original price $6.98
    $4.08 - $38.99
    Current price $4.08

    John Guest PI1212S Bulkhead Union - 3/8 x 3/8

    JOHN GUEST
    PI1212S

    Features: Gray acetal copolymer construction Nitrile O-rings FDA approved materials NSF Certified 51 & 61 Suitable for water, air, inert gases ...

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    $4.08 - $38.99
    ($4.08 each)
    Original price $6.98 - Original price $38.99
    Original price $6.98 - Original price $38.99
    Original price $6.98
    $4.08 - $38.99
    Current price $4.08
    Save up to 42% % Off
  • John Guest PI1208S Bulkhead Union - 1/4 x 1/4 bulkhead union JOHN GUEST
    Save up to 48% % Off
    $3.12 - $29.99
    ($3.12 each)
    Original price $5.98 - Original price $29.99
    Original price $5.98 - Original price $29.99
    Original price $5.98
    $3.12 - $29.99
    Current price $3.12

    John Guest PI1208S Bulkhead Union - 1/4 x 1/4

    JOHN GUEST
    PI1208S

    Features: Push-fit Technology creates reliable, leak-free connections Used to connect OD tubing through a cabinet wall or bulkhead Compatible with...

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    $3.12 - $29.99
    ($3.12 each)
    Original price $5.98 - Original price $29.99
    Original price $5.98 - Original price $29.99
    Original price $5.98
    $3.12 - $29.99
    Current price $3.12
    Save up to 48% % Off
  • John Guest PI061612S Reducer Stem - 3/8 x 1/2 Stem stem reducer JOHN GUEST
    Save up to 32% % Off
    $4.09 - $38.49
    ($4.09 each)
    Original price $5.98 - Original price $38.49
    Original price $5.98 - Original price $38.49
    Original price $5.98
    $4.09 - $38.49
    Current price $4.09

    John Guest PI061612S Reducer Stem - 3/8 x 1/2 Stem

    JOHN GUEST
    PI061612S

    Features: Push-fit Technology creates reliable, leak-free connections Stem easily inserts into JG Push-fit fittings to reduce the tube size Compat...

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    $4.09 - $38.49
    ($4.09 each)
    Original price $5.98 - Original price $38.49
    Original price $5.98 - Original price $38.49
    Original price $5.98
    $4.09 - $38.49
    Current price $4.09
    Save up to 32% % Off
  • John Guest PI051624S Stem Adapter NPTF - 1/2 x 1/2 NPTF stem adapter JOHN GUEST
    Save up to 17% % Off
    $1.79 - $17.23
    ($1.79 each)
    Original price $2.15 - Original price $17.23
    Original price $2.15 - Original price $17.23
    Original price $2.15
    $1.79 - $17.23
    Current price $1.79

    John Guest PI051624S Stem Adapter NPTF - 1/2 x 1/2 NPTF

    JOHN GUEST
    PI051624S

    Features: Push-fit Technology creates reliable, leak-free connections Stem easily inserts into JG Push-fit fittings to make a permanent swivel con...

    View full details
    $1.79 - $17.23
    ($1.79 each)
    Original price $2.15 - Original price $17.23
    Original price $2.15 - Original price $17.23
    Original price $2.15
    $1.79 - $17.23
    Current price $1.79
    Save up to 17% % Off
  • John Guest PI051623S Stem Adapter NPTF - 1/2 x 3/8 NPTF stem adapter JOHN GUEST
    Save up to 12% % Off
    $1.79 - $17.21
    ($1.79 each)
    Original price $2.04 - Original price $17.21
    Original price $2.04 - Original price $17.21
    Original price $2.04
    $1.79 - $17.21
    Current price $1.79

    John Guest PI051623S Stem Adapter NPTF - 1/2 x 3/8 NPTF

    JOHN GUEST
    PI051623S

    Features: Push-fit Technology creates reliable, leak-free connections Stem easily inserts into JG Push-fit fittings to make a permanent swivel con...

    View full details
    $1.79 - $17.21
    ($1.79 each)
    Original price $2.04 - Original price $17.21
    Original price $2.04 - Original price $17.21
    Original price $2.04
    $1.79 - $17.21
    Current price $1.79
    Save up to 12% % Off
  • John Guest PI051222S Stem Adapter NPTF - 3/8 x 1/4 NPTF STEM ADAPTER Grey Acetal JOHN GUEST 10 Pack
    John Guest PI051222S Stem Adapter NPTF - 3/8 x 1/4 NPTF STEM ADAPTER Grey Acetal JOHN GUEST 1 Pack
    Save up to 20% % Off
    $1.89 - $15.99
    ($1.89 each)
    Original price $2.39 - Original price $19.99
    Original price $2.39 - Original price $19.99
    Original price $2.39
    $1.89 - $15.99
    Current price $1.89

    John Guest PI051222S Stem Adapter NPTF - 3/8 x 1/4 NPTF

    JOHN GUEST
    PI051222S

    Features: Push-fit Technology creates reliable, leak-free connections Stem easily inserts into JG Push-fit fittings to make a permanent swivel con...

    View full details
    $1.89 - $15.99
    ($1.89 each)
    Original price $2.39 - Original price $19.99
    Original price $2.39 - Original price $19.99
    Original price $2.39
    $1.89 - $15.99
    Current price $1.89
    Save up to 20% % Off
  • John Guest PI050822S Stem Adapter NPTF - 1/4 x 1/4 NPTF stem adapter JOHN GUEST
    Save up to 21% % Off
    $0.66 - $6.29
    ($0.66 each)
    Original price $1.25 - Original price $7.99
    Original price $1.25 - Original price $7.99
    Original price $1.25
    $0.66 - $6.29
    Current price $0.66

    John Guest PI050822S Stem Adapter NPTF - 1/4 x 1/4 NPTF

    JOHN GUEST
    PI050822S

    Features: Push-fit Technology creates reliable, leak-free connections Stem easily inserts into JG Push-fit fittings to make a permanent swivel con...

    View full details
    $0.66 - $6.29
    ($0.66 each)
    Original price $1.25 - Original price $7.99
    Original price $1.25 - Original price $7.99
    Original price $1.25
    $0.66 - $6.29
    Current price $0.66
    Save up to 21% % Off
  • John Guest PI050821S Stem Adapter NPTF - 1/4 x 1/8 NPTF stem adapter JOHN GUEST
    Save up to 47% % Off
    $0.66 - $6.29
    ($0.66 each)
    Original price $1.25 - Original price $6.29
    Original price $1.25 - Original price $6.29
    Original price $1.25
    $0.66 - $6.29
    Current price $0.66

    John Guest PI050821S Stem Adapter NPTF - 1/4 x 1/8 NPTF

    JOHN GUEST
    PI050821S

    Features: Push-fit Technology creates reliable, leak-free connections Stem easily inserts into JG Push-fit fittings to make a permanent swivel con...

    View full details
    $0.66 - $6.29
    ($0.66 each)
    Original price $1.25 - Original price $6.29
    Original price $1.25 - Original price $6.29
    Original price $1.25
    $0.66 - $6.29
    Current price $0.66
    Save up to 47% % Off
  • John Guest PI201210S Reducing Union - 3/8 x 5/16 reducing union JOHN GUEST
    Save up to 43% % Off
    $2.28 - $21.75
    ($2.18 each)
    Original price $3.98 - Original price $21.75
    Original price $3.98 - Original price $21.75
    Original price $3.98
    $2.28 - $21.75
    Current price $2.28

    John Guest PI201210S Reducing Union - 3/8 x 5/16

    JOHN GUEST
    PI201210S

    Features: Push-fit Technology creates reliable, leak-free connections Used to connect OD tubing of different sizes Compatible with plastic or copp...

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    $2.28 - $21.75
    ($2.18 each)
    Original price $3.98 - Original price $21.75
    Original price $3.98 - Original price $21.75
    Original price $3.98
    $2.28 - $21.75
    Current price $2.28
    Save up to 43% % Off
  • John Guest PI201208S Reducing Union - 3/8 x 1/4 REDUCING UNION Grey Acetal JOHN GUEST 10 Pack
    John Guest PI201208S Reducing Union - 3/8 x 1/4 REDUCING UNION Grey Acetal JOHN GUEST 1 Pack
    Save up to 10% % Off
    $2.98 - $26.99
    ($2.98 each)
    Original price $3.98 - Original price $29.99
    Original price $3.98 - Original price $29.99
    Original price $3.98
    $2.98 - $26.99
    Current price $2.98

    John Guest PI201208S Reducing Union - 3/8 x 1/4

    JOHN GUEST
    PI201208S

    John Guest PI201208S Reducing Union - 3/8 x 1/4  Brand :JOHN GUEST Specific Fitting ShapeStraight Reducing Connector Fitting Side A Tube Outer Diam...

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    $2.98 - $26.99
    ($2.98 each)
    Original price $3.98 - Original price $29.99
    Original price $3.98 - Original price $29.99
    Original price $3.98
    $2.98 - $26.99
    Current price $2.98
    Save up to 10% % Off