Skip to content

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 PI0312S Union Elbow - 3/8 UNION ELBOW Grey Acetal JOHN GUEST 10-Pack
    John Guest PI0312S Union Elbow - 3/8 UNION ELBOW Grey Acetal JOHN GUEST 1-PC
    Save up to 20% % Off
    $4.98 - $39.99
    ($4.98 each)
    $6.99 - $49.99
    $6.99 - $49.99
    $6.99
    $4.98 - $39.99
    $4.98

    John Guest PI0312S Union Elbow - 3/8

    JOHN GUEST
    PI0312S

    John Guest PI0312S Union Elbow - 3/8 Features: Push-fit technology ensures fast, reliable, and leak-free connections Designed to connect OD tub...

    View full details
    $4.98 - $39.99
    ($4.98 each)
    $6.99 - $49.99
    $6.99 - $49.99
    $6.99
    $4.98 - $39.99
    $4.98
    Save up to 20% % Off
  • John Guest PI010822S Male Connector NPTF - 1/4 x 1/4 NPTF MALE Grey Acetal JOHN GUEST 10 Pack
    John Guest PI010822S Male Connector NPTF - 1/4 x 1/4 NPTF male connectors JOHN GUEST
    Save up to 16% % Off
    $1.75 - $16.75
    ($1.75 each)
    $1.99 - $19.99
    $1.99 - $19.99
    $1.99
    $1.75 - $16.75
    $1.75

    John Guest PI010822S Male Connector NPTF - 1/4 x 1/4 NPTF

    JOHN GUEST
    PI010822S

    John Guest PI010822S Male Connector NPTF -  1/4 x 1/4 NPTF Features: Push-fit technology provides secure, leak-free connections Connects OD tub...

    View full details
    $1.75 - $16.75
    ($1.75 each)
    $1.99 - $19.99
    $1.99 - $19.99
    $1.99
    $1.75 - $16.75
    $1.75
    Save up to 16% % Off
  • John Guest ASVPP5LF Angle Stop-Adapter Valve Lead-Free - 1/2 x 3/8 x 1/4 Angle Stop Adapter Valve John Guest
    Save up to 31% % Off
    $18.89 - $89.95
    ($18.89 each)
    $28.96 - $129.99
    $28.96 - $129.99
    $28.96
    $18.89 - $89.95
    $18.89

    John Guest ASVPP5LF Angle Stop-Adapter Valve Lead-Free - 1/2 x 3/8 x 1/4

    John Guest
    ASVPP5LF

    3/8" MPT x 1/4" QC x 1/2" FPT 1/2" MPT x 3/8" FPT Conversion Adapter White polypropylene construction Lead-Free Brass EPDM O-rings FDA approved ma...

    View full details
    $18.89 - $89.95
    ($18.89 each)
    $28.96 - $129.99
    $28.96 - $129.99
    $28.96
    $18.89 - $89.95
    $18.89
    Save up to 31% % Off
  • John Guest PIUB16S U-Bend - 1/2 U-Bend John Guest 10-Pack
    John Guest PIUB16S U-Bend - 1/2 U-Bend John Guest
    Save up to 21% % Off
    $9.85 - $88.95
    ($9.85 each)
    $14.99 - $112.99
    $14.99 - $112.99
    $14.99
    $9.85 - $88.95
    $9.85

    John Guest PIUB16S U-Bend - 1/2

    John Guest
    PIUB16S

    John Guest PIUB16S  U-Bend - 1/2 Gray acetal copolymer construction for strength and durability Nitrile O-rings for reliable, leak-free sealing...

    View full details
    $9.85 - $88.95
    ($9.85 each)
    $14.99 - $112.99
    $14.99 - $112.99
    $14.99
    $9.85 - $88.95
    $9.85
    Save up to 21% % Off
  • John Guest PI491612S Three Way Divider 1/2 x 3/8 3-way Divider John Guest
    Save up to 11% % Off
    $9.00 - $87.99
    ($9.00 each)
    $11.99 - $98.99
    $11.99 - $98.99
    $11.99
    $9.00 - $87.99
    $9.00

    John Guest PI491612S Three Way Divider 1/2" x 3/8"

    John Guest
    PI491612S

    John Guest PI491612S  Three Way Divider 1/2 x 3/8 Durable gray acetal copolymer construction Sealed with reliable nitrile O-rings Made from F...

    View full details
    $9.00 - $87.99
    ($9.00 each)
    $11.99 - $98.99
    $11.99 - $98.99
    $11.99
    $9.00 - $87.99
    $9.00
    Save up to 11% % Off
  • John Guest PP0812W Plug Polypro - 3/8 Plug John Guest
    Save up to 38% % Off
    $0.79 - $7.39
    ($0.79 each)
    $1.19 - $11.99
    $1.19 - $11.99
    $1.19
    $0.79 - $7.39
    $0.79

    John Guest PP0812W Plug Polypro - 3/8"

    John Guest
    PP0812W

    John Guest PP0812W Plug Polypro - 3/8" Designed for use with John Guest push-fit fittings Durable polypropylene body Quick and easy connectio...

    View full details
    $0.79 - $7.39
    ($0.79 each)
    $1.19 - $11.99
    $1.19 - $11.99
    $1.19
    $0.79 - $7.39
    $0.79
    Save up to 38% % Off
  • John Guest PP450822W Female Adapter Polypro - 1/4 x 1/4 NPTF Female Adapter NPTF John Guest
    Save up to 21% % Off
    $4.11 - $40.37
    ($4.11 each)
    $5.89 - $50.99
    $5.89 - $50.99
    $5.89
    $4.11 - $40.37
    $4.11

    John Guest PP450822W Female Adapter Polypro - 1/4 x 1/4 NPTF

    John Guest
    PP450822W

    John Guest  PP450822W Female Adapter Polypro - 1/4 x 1/4 NPTF Durable white polypropylene construction EPDM O-rings for secure, leak-free seali...

    View full details
    $4.11 - $40.37
    ($4.11 each)
    $5.89 - $50.99
    $5.89 - $50.99
    $5.89
    $4.11 - $40.37
    $4.11
    Save up to 21% % Off
  • John Guest PP051623W Stem Adapter Polypro - 1/2 x 3/8 NPTF Straight MPT John Guest
    Save up to 25% % Off
    $1.59 - $14.99
    ($1.59 each)
    $2.39 - $19.99
    $2.39 - $19.99
    $2.39
    $1.59 - $14.99
    $1.59

    John Guest PP051623W Stem Adapter Polypro - 1/2" x 3/8" NPTF

    John Guest
    PP051623W

    John Guest PP051623W Stem Adapter Polypro - 1/2" x 3/8" NPTF Constructed from durable white polypropylene Equipped with a reliable EPDM O-ring ...

    View full details
    $1.59 - $14.99
    ($1.59 each)
    $2.39 - $19.99
    $2.39 - $19.99
    $2.39
    $1.59 - $14.99
    $1.59
    Save up to 25% % Off
  • John Guest PP050821W Stem Adapter Polypro - 1/4 x 1/8 NPTF Straight MPT John Guest
    Save up to 25% % Off
    $0.64 - $5.99
    ($0.64 each)
    $0.98 - $7.99
    $0.98 - $7.99
    $0.98
    $0.64 - $5.99
    $0.64

    John Guest PP050821W Stem Adapter Polypro - 1/4" x 1/8" NPTF

    John Guest
    PP050821W

    John Guest PP050821W Stem Adapter Polypro - 1/4" x 1/8" NPTF Constructed from durable white polypropylene Equipped with a high-quality EPDM O-r...

    View full details
    $0.64 - $5.99
    ($0.64 each)
    $0.98 - $7.99
    $0.98 - $7.99
    $0.98
    $0.64 - $5.99
    $0.64
    Save up to 25% % Off
  • John Guest PP201612W Reducing Union Polypro - 1/2 x 3/8 Straight Union John Guest
    Save up to 12% % Off
    $3.19 - $29.98
    ($3.19 each)
    $4.75 - $33.99
    $4.75 - $33.99
    $4.75
    $3.19 - $29.98
    $3.19

    John Guest PP201612W Reducing Union Polypro - 1/2" x 3/8"

    John Guest
    PP201612W

    John Guest  PP201612W Reducing Union Polypro - 1/2" x 3/8" Constructed from durable white polypropylene Equipped with a high-quality EPDM O-rin...

    View full details
    $3.19 - $29.98
    ($3.19 each)
    $4.75 - $33.99
    $4.75 - $33.99
    $4.75
    $3.19 - $29.98
    $3.19
    Save up to 12% % Off
  • John Guest PP0416W Union Connector Polypro - 1/2 Straight Union John Guest
    Save up to 10% % Off
    $2.89 - $27.99
    ($2.89 each)
    $4.15 - $31.00
    $4.15 - $31.00
    $4.15
    $2.89 - $27.99
    $2.89

    John Guest PP0416W Union Connector Polypro - 1/2"

    John Guest
    PP0416W

    John Guest PP0416W  Union Connector Polypro  - 1/2" Constructed from durable white polypropylene Equipped with a high-quality EPDM O-ring for a...

    View full details
    $2.89 - $27.99
    ($2.89 each)
    $4.15 - $31.00
    $4.15 - $31.00
    $4.15
    $2.89 - $27.99
    $2.89
    Save up to 10% % Off
  • John Guest PP0412W Union Connector Polypro - 3/8 Straight Union John Guest
    Save up to 15% % Off
    $2.45 - $23.49
    ($2.45 each)
    $3.59 - $27.59
    $3.59 - $27.59
    $3.59
    $2.45 - $23.49
    $2.45

    John Guest PP0412W Union Connector Polypro - 3/8"

    John Guest
    PP0412W

    John Guest PP0412W Union Connector Polypro - 3/8" Constructed from durable white polypropylene Equipped with a high-quality EPDM O-ring for a s...

    View full details
    $2.45 - $23.49
    ($2.45 each)
    $3.59 - $27.59
    $3.59 - $27.59
    $3.59
    $2.45 - $23.49
    $2.45
    Save up to 15% % Off
  • John Guest PP221616W Stem Elbow Connector Polypro - 1/2 Stem x 1/2 Stem Elbow John Guest
    Save up to 8% % Off
    $3.59 - $34.69
    ($3.59 each)
    $5.49 - $37.69
    $5.49 - $37.69
    $5.49
    $3.59 - $34.69
    $3.59

    John Guest PP221616W Stem Elbow Connector Polypro - 1/2 Stem x 1/2

    John Guest
    PP221616W

    John Guest PP221616W Stem Elbow Connector Polypro - 1/2 Stem x 1/2 Durable white polypropylene construction EPDM O-ring for a secure, leak-resi...

    View full details
    $3.59 - $34.69
    ($3.59 each)
    $5.49 - $37.69
    $5.49 - $37.69
    $5.49
    $3.59 - $34.69
    $3.59
    Save up to 8% % Off
  • John Guest PP481222W Fixed Elbow Polypro - 3/8 x 1/4 NPTM Fixed Elbow John Guest
    Save up to 16% % Off
    $2.55 - $24.25
    ($2.55 each)
    $3.98 - $28.99
    $3.98 - $28.99
    $3.98
    $2.55 - $24.25
    $2.55

    John Guest PP481222W Fixed Elbow Polypro - 3/8 x 1/4 NPTM

    John Guest
    PP481222W

    John Guest PP481222W Fixed Elbow Polypro - 3/8 x 1/4 NPTM Durable white polypropylene construction EPDM O-ring for secure, leak-free connection...

    View full details
    $2.55 - $24.25
    ($2.55 each)
    $3.98 - $28.99
    $3.98 - $28.99
    $3.98
    $2.55 - $24.25
    $2.55
    Save up to 16% % Off
  • John Guest PP0316W Union Elbow Polypro - 1/2 Elbow John Guest
    Save up to 16% % Off
    $3.75 - $35.99
    ($3.75 each)
    $5.25 - $42.99
    $5.25 - $42.99
    $5.25
    $3.75 - $35.99
    $3.75

    John Guest PP0316W Union Elbow Polypro - 1/2"

    John Guest
    PP0316W

    John Guest PP0316W Union Elbow Polypro - 1/2" Durable white polypropylene construction EPDM O-ring for secure, leak-free connections FDA-appr...

    View full details
    $3.75 - $35.99
    ($3.75 each)
    $5.25 - $42.99
    $5.25 - $42.99
    $5.25
    $3.75 - $35.99
    $3.75
    Save up to 16% % Off
  • John Guest PP010823W Male Connector Polypro - 1/4 x 3/8 NPTF Male Connectors John Guest
    Save up to 25% % Off
    $3.07 - $29.99
    ($3.07 each)
    $3.99 - $39.99
    $3.99 - $39.99
    $3.99
    $3.07 - $29.99
    $3.07

    John Guest PP010823W Male Connector Polypro - 1/4 x 3/8 NPTF

    John Guest
    PP010823W

    John Guest PP010823W Male Connector Polypro - 1/4 x 3/8 NPTF Durable white polypropylene construction EPDM O-ring for reliable, leak-free seali...

    View full details
    $3.07 - $29.99
    ($3.07 each)
    $3.99 - $39.99
    $3.99 - $39.99
    $3.99
    $3.07 - $29.99
    $3.07
    Save up to 25% % Off
  • John Guest SI270808S Superseal Barb Connector - 1/4"QC x 1/4" Barb ID STEM TO HOUSE BARB Grey Acetal JOHN GUEST 10-Pack
    John Guest SI270808S Superseal Barb Connector - 1/4"QC x 1/4" Barb ID STEM TO HOUSE BARB Grey Acetal JOHN GUEST 1-Pack
    Save up to 29% % Off
    $5.99 - $49.99
    ($5.99 each)
    $7.99 - $69.99
    $7.99 - $69.99
    $7.99
    $5.99 - $49.99
    $5.99

    John Guest SI270808S Superseal Barb Connector - 1/4"QC x 1/4" Barb ID

    JOHN GUEST
    SI270808S

    John Guest SI270808S Superseal Barb Connector - 1/4"QC x 1/4" Barb ID Features: Designed for use with stainless steel tubing Durable acetal bod...

    View full details
    $5.99 - $49.99
    ($5.99 each)
    $7.99 - $69.99
    $7.99 - $69.99
    $7.99
    $5.99 - $49.99
    $5.99
    Save up to 29% % Off
  • John Guest SM420808S Superseal Flow Bend - 5/16" x 5/16" UNION ELBOW Grey Acetal JOHN GUEST 10-Pack
    John Guest SM420808S Superseal Flow Bend - 5/16" x 5/16" UNION ELBOW Grey Acetal JOHN GUEST 1-PC
    Save up to 10% % Off
    $6.99 - $59.99
    ($6.99 each)
    $9.99 - $66.99
    $9.99 - $66.99
    $9.99
    $6.99 - $59.99
    $6.99

    John Guest SM420808S Superseal Flow Bend Elbow- 5/16" x 5/16"

    JOHN GUEST
    SM420808S

    John Guest SM420808S Superseal Flow Bend Elbow - 5/16" x 5/16" Features and Benefits: Designed for use with stainless steel tubing Durab...

    View full details
    $6.99 - $59.99
    ($6.99 each)
    $9.99 - $66.99
    $9.99 - $66.99
    $9.99
    $6.99 - $59.99
    $6.99
    Save up to 10% % Off
  • John Guest PI451015FS Female Adapter-Flat End 5/16" x 5/8" BSP FEMALE CONNECTOR FEMALE Grey Acetal JOHN GUEST 10-Pack
    John Guest PI451015FS Female Adapter-Flat End 5/16" x 5/8" BSP FEMALE CONNECTOR FEMALE Grey Acetal JOHN GUEST 1-PC
    Save up to 9% % Off
    $6.99 - $59.99
    ($6.99 each)
    $9.99 - $65.99
    $9.99 - $65.99
    $9.99
    $6.99 - $59.99
    $6.99

    John Guest PI451015FS Female Adapter-Flat End 5/16" x 5/8" BSP

    JOHN GUEST
    PI451015FS

    John Guest PI451015FS Female Adapter-Flat End 5/16" x 5/8" BSP Features: Push-fit technology provides secure, reliable, and leak-free connections...

    View full details
    $6.99 - $59.99
    ($6.99 each)
    $9.99 - $65.99
    $9.99 - $65.99
    $9.99
    $6.99 - $59.99
    $6.99
    Save up to 9% % Off
  • John Guest PI451215CS Female Adapter Cone End - 3/8" x 5/8"BSP FEMALE FLARE CONNECTOR Grey Acetal JOHN GUEST 10-Pack
    John Guest PI451215CS Female Adapter Cone End - 3/8" x 5/8"BSP FEMALE FLARE CONNECTOR Grey Acetal JOHN GUEST 1-PC
    Save up to 23% % Off
    $5.99 - $53.99
    ($5.99 each)
    $8.99 - $69.99
    $8.99 - $69.99
    $8.99
    $5.99 - $53.99
    $5.99

    John Guest PI451215CS Female Adapter Cone End - 3/8" x 5/8"BSP

    JOHN GUEST
    PI451215CS

    John Guest PI451215CS Female Adaptor Cone End - 3/8" x 5/8"BSP Features: Push-fit technology ensures secure, reliable, and leak-free connections ...

    View full details
    $5.99 - $53.99
    ($5.99 each)
    $8.99 - $69.99
    $8.99 - $69.99
    $8.99
    $5.99 - $53.99
    $5.99
    Save up to 23% % Off
  • John Guest PI051203S Stem Adapter - 3/8" x 3/8" BSPT STEM ADAPTER Grey Acetal JOHN GUEST 10-Pack
    John Guest PI051203S Stem Adapter - 3/8" x 3/8" BSPT STEM ADAPTER Grey Acetal JOHN GUEST 1-PC
    Save up to 20% % Off
    $1.25 - $11.20
    ($1.25 each)
    $3.99 - $13.99
    $3.99 - $13.99
    $3.99
    $1.25 - $11.20
    $1.25

    John Guest PI051203S Stem Adapter - 3/8" x 3/8" BSPT

    JOHN GUEST
    PI051203S

    John Guest PI051203S Stem Adapter NPTF - 3/8" x 3/8" BSPT Features: Push-fit technology ensures secure, reliable, and leak-free connections Eas...

    View full details
    $1.25 - $11.20
    ($1.25 each)
    $3.99 - $13.99
    $3.99 - $13.99
    $3.99
    $1.25 - $11.20
    $1.25
    Save up to 20% % Off
  • John Guest PI050823S Stem Adapter NPTF - 1/4" x 3/8" NPTF STEM ADAPTER Grey Acetal JOHN GUEST 10-Pack
    John Guest PI050823S Stem Adapter NPTF - 1/4" x 3/8" NPTF STEM ADAPTER Grey Acetal JOHN GUEST 1-PC
    Save up to 50% % Off
    $2.99 - $24.99
    ($2.99 each)
    $5.99 - $27.99
    $5.99 - $27.99
    $5.99
    $2.99 - $24.99
    $2.99

    John Guest PI050823S Stem Adapter NPTF - 1/4" x 3/8" NPTF

    JOHN GUEST
    PI050823S

    John Guest PI050823S Stem Adapter NPTF - 1/4" x 3/8" NPTF Features: Push-fit technology delivers reliable, leak-free connections Easy stem inse...

    View full details
    $2.99 - $24.99
    ($2.99 each)
    $5.99 - $27.99
    $5.99 - $27.99
    $5.99
    $2.99 - $24.99
    $2.99
    Save up to 50% % Off
  • John Guest PM250808S Stem Barb Connector - 5/16" OD Stem x 5/16" ID Barb STEM TO HOUSE BARB Grey Acetal JOHN GUEST 10-Pack
    John Guest PM250808S Stem Barb Connector - 5/16" OD Stem x 5/16" ID Barb STEM TO HOUSE BARB Grey Acetal JOHN GUEST 1-Pack
    Save up to 29% % Off
    $5.99 - $49.99
    ($5.99 each)
    $7.99 - $69.99
    $7.99 - $69.99
    $7.99
    $5.99 - $49.99
    $5.99

    John Guest PM250808S Stem Barb Connector - 5/16" OD Stem x 5/16" ID Barb

    JOHN GUEST
    PM250808S

    John Guest PM250808S Stem Barb Connector - 5/16" OD Stem x 5/16" ID Barb Features: Push-fit technology ensures reliable, leak-free connections ...

    View full details
    $5.99 - $49.99
    ($5.99 each)
    $7.99 - $69.99
    $7.99 - $69.99
    $7.99
    $5.99 - $49.99
    $5.99
    Save up to 29% % Off
  • John Guest CI3210U7S Faucet Connector UNS - 5/16" x 7/16" UNS FAUCET CONNECTOR UNS Grey Acetal JOHN GUEST
    John Guest CI3210U7S Faucet Connector UNS - 5/16" x 7/16" UNS FAUCET CONNECTOR UNS Grey Acetal JOHN GUEST
    Save up to 29% % Off
    $3.90 - $28.50
    ($3.90 each)
    $5.99 - $39.99
    $5.99 - $39.99
    $5.99
    $3.90 - $28.50
    $3.90

    John Guest CI3210U7S Faucet Connector UNS - 5/16" x 7/16" UNS

    JOHN GUEST
    CI3210U7S

    John Guest CI3210U7S Faucet Connector UNS - 5/16" x 7/16" UNS Features: Push-fit technology ensures quick, reliable, and leak-free connections ...

    View full details
    $3.90 - $28.50
    ($3.90 each)
    $5.99 - $39.99
    $5.99 - $39.99
    $5.99
    $3.90 - $28.50
    $3.90
    Save up to 29% % Off