Carrier HK02ZB421 High Pressure Switch

Carrier HK02ZB421 High Pressure Switch

The Carrier HK02ZB421 is a replacement high pressure switch for compatible HVAC equipment. This listing retains the equipment-model, alternate-part, and supersession references documented in the existing product record.

Product Details

• Manufacturer: Carrier
• Manufacturer Part Number: HK02ZB421
• Part Type: High Pressure Switch

Documented Compatible Carrier, Bryant, and Payne Equipment Models

• 123ANA018000BAAA
• 123ANA024000BAAA
• 123ANA030000BAAA
• 123ANA036000BAAA
• 123ANA042000BAAA
• 123ANA048000BAAA
• 123ANA060000BAAA
• 124ANA018000BAAA
• 124ANA024000BAAA
• 124ANA024000BBAA
• 124ANA030000BAAA
• 124ANA030000BBAA
• 124ANA036000BAAA
• 124ANA042000BAAA
• 124ANA042000BBAA
• 124ANA048000BAAA
• 124ANA060000BAAA
• 163ANA018000BAAA
• 163ANA018000BBAA
• 163ANA024000BAAA
• 163ANA024000BBAA
• 163ANA030000BAAA
• 163ANA030000BBAA
• 163ANA036000BAAA
• 163ANA036000BBAA
• 163ANA042000BAAA
• 163ANA042000BBAA
• 163ANA048000BAAA
• 163ANA048000BBAA
• 163ANA060000BAAA
• 163ANA060000BBAA
• 164ANA018000BAAA
• 164ANA024000BAAA
• 164ANA030000BAAA
• 164ANA036000BAAA
• 164ANA042000BAAA
• 164ANA048000BAAA
• 164ANA060000BAAA
• 165ANA018000BAAA
• 165ANA018000BBAA
• 165ANA024000BAAA
• 165ANA024000BBAA
• 165ANA030000BAAA
• 165ANA030000BBAA
• 165ANA036000BAAA
• 165ANA036000BBAA
• 165ANA042000BAAA
• 165ANA042000BBAA
• 165ANA048000BAAA
• 165ANA048000BBAA
• 165ANA060000BAAA
• 165ANA060000BBAA
• 165ANA060000BCAA
• 186BNA018000BAAA
• 186BNA024000BAAA
• 186BNA030000BAAA
• 186BNA036000BAAA
• 186BNA042000BAAA
• 186BNA048000BAAA
• 186BNA060000BAAA
• 186BNA061000BAAA
• 24ACA318A0030010
• 24ACA324A0030010
• 24ACA330A0030010
• 24ACA330A0050010
• 24ACA336A0030010
• 24ACA336A0050010
• 24ACA336A0060010
• 24ACA342A0030010
• 24ACA342A0050010
• 24ACA342A0060010
• 24ACA348A0030010
• 24ACA348A0050010
• 24ACA348A0060010
• 24ACA360A0030010
• 24ACA360A0050010
• 24ACA360A0060010
• 24ACA418A0030010
• 24ACA424A0030010
• 24ACA424A0031010
• 24ACA430A0030010
• 24ACA430A0031010
• 24ACA436A0030010
• 24ACA442A0030010
• 24ACA442A0031010
• 24ACA448A0030010
• 24ACA460A0030010
• 24APA318A0030010
• 24APA324A0030010
• 24APA330A0030010
• 24APA336A0030010
• 24APA342A0030010
• 24APA348A0030010
• 24APA360A0030010
• 24APA418A0030010
• 24APA424A0030010
• 24APA430A0030010
• 24APA436A0030010
• 24APA442A0030010
• 24APA448A0030010
• 24APA460A0030010
• 24APA518A0030010
• 24APA518A0031010
• 24APA524A0030010
• 24APA524A0031010
• 24APA530A0030010
• 24APA530A0031010
• 24APA536A0030010
• 24APA536A0031010
• 24APA542A0030010
• 24APA542A0031010
• 24APA548A0030010
• 24APA548A0031010
• 24APA560A0030010
• 24APA560A0031010
• 24APA560A0032010
• 38TPA018---300--
• 38TPA018---310--
• 38TPA024---300--
• 38TPA024---310--
• 38TPA030---300--
• 38TPA030---310--
• 38TPA036---300--
• 38TPA036---310--
• 38TPA042---300--
• 38TPA042---310--
• 38TPA048---300--
• 38TPA048---310--
• 38TPA060---300--
• 38TPA060---310--
• 38TSA024---300--
• 38TSA024---320--
• 38TSA024---330--
• 38TSA024---340--
• 38TSA030---300--
• 38TSA030---320--
• 38TSA030---330--
• 38TSA036---300--
• 38TSA036---320--
• 38TSA036---330--
• 38TSA042---300--
• 38TSA042---320--
• 38TSA042---330--
• 38TSA048---300--
• 38TSA048---310--
• 38TSA060---300--
• 38TXA024---300--
• 38TXA024---320--
• 38TXA024---330--
• 38TXA024---340--
• 38TXA030---300--
• 38TXA030---320--
• 38TXA030---330--
• 38TXA036---300--
• 38TXA036---320--
• 38TXA036---330--
• 38TXA036---340--
• 38TXA042---300--
• 38TXA042---320--
• 38TXA042---330--
• 38TXA048---300--
• 38TXA048---320--
• 38TXA048---330--
• 38TXA060---310--
• 38TXA060---320--
• 38TXA060---330--
• 38TXA060---340--
• 38TXA060---350--
• 38TZA018---320--
• 38TZA018---330--
• 38TZA024---300--
• 38TZA024---320--
• 38TZA024---330--
• 38TZA024---340--
• 38TZA030---300--
• 38TZA030---320--
• 38TZA030---330--
• 38TZA036---300--
• 38TZA036---320--
• 38TZA036---330--
• 38TZA036---340--
• 38TZA042---300--
• 38TZA042---320--
• 38TZA042---330--
• 38TZA048---300--
• 38TZA048---320--
• 38TZA048---330--
• 38TZA060---300--
• 38TZA060---320--
• 38TZA060---330--
• 38YXA024---300--
• 38YXA030---300--
• 38YXA036---300--
• 38YXA042---300--
• 38YXA048---300--
• 38YXA060---310--
• 38YZA024---300--
• 38YZA030---300--
• 38YZA036---300--
• 38YZA042---300--
• 38YZA048---300--
• 38YZA060---300--
• 550ANX024000AAAA
• 550ANX024000ACAA
• 550ANX024000ADAA
• 550ANX024000AEAA
• 550ANX024000AFAA
• 550ANX024000AGAA
• 550ANX030000AAAA
• 550ANX030000ACAA
• 550ANX030000ADAA
• 550ANX030000AEAA
• 550ANX030000AFAA
• 550ANX036000AAAA
• 550ANX036000ACAA
• 550ANX036000ADAA
• 550ANX036000AEAA
• 550ANX036000AFAA
• 550ANX036000AGAA
• 550ANX042000AAAA
• 550ANX042000ACAA
• 550ANX042000ADAA
• 550ANX042000AEAA
• 550ANX042000AFAA
• 550ANX048000AAAA
• 550ANX048000ACAA
• 550ANX048000ADAA
• 550ANX048000AEAA
• 550ANX048000AFAA
• 550ANX060000ABAA
• 550ANX060000ACAA
• 550ANX060000ADAA
• 550ANX060000AEAA
• 550ANX060000AFAA
• 550ANX060000AGAA
• 550ANX060000AHAA
• 552ANX018000AEAA
• 552ANX018000AFAA
• 552ANX024000AAAA
• 552ANX024000ACAA
• 552ANX024000ADAA
• 552ANX024000AEAA
• 552ANX024000AFAA
• 552ANX024000AGAA
• 552ANX030000AAAA
• 552ANX030000ACAA
• 552ANX030000ADAA
• 552ANX030000AEAA
• 552ANX030000AFAA
• 552ANX036000AAAA
• 552ANX036000ACAA
• 552ANX036000ADAA
• 552ANX036000AEAA
• 552ANX036000AFAA
• 552ANX036000AGAA
• 552ANX042000AAAA
• 552ANX042000ACAA
• 552ANX042000ADAA
• 552ANX042000AEAA
• 552ANX042000AFAA
• 552ANX048000AAAA
• 552ANX048000ACAA
• 552ANX048000ADAA
• 552ANX048000AEAA
• 552ANX048000AFAA
• 552ANX060000AAAA
• 552ANX060000ACAA
• 552ANX060000ADAA
• 552ANX060000AEAA
• 552ANX060000AFAA
• 556ANX024000AAAA
• 556ANX024000ACAA
• 556ANX024000ADAA
• 556ANX024000AEAA
• 556ANX024000AFAA
• 556ANX024000AGAA
• 556ANX030000AAAA
• 556ANX030000ACAA
• 556ANX030000ADAA
• 556ANX030000AEAA
• 556ANX030000AFAA
• 556ANX036000AAAA
• 556ANX036000ACAA
• 556ANX036000ADAA
• 556ANX036000AEAA
• 556ANX036000AFAA
• 556ANX042000AAAA
• 556ANX042000ACAA
• 556ANX042000ADAA
• 556ANX042000AEAA
• 556ANX042000AFAA
• 556ANX048000AAAA
• 556ANX048000ABAA
• 556ANX060000AAAA
• 591BNX018000AAAA
• 591BNX018000ABAA
• 591BNX024000AAAA
• 591BNX024000ABAA
• 591BNX030000AAAA
• 591BNX030000ABAA
• 591BNX036000AAAA
• 591BNX036000ABAA
• 591BNX042000AAAA
• 591BNX042000ABAA
• 591BNX048000AAAA
• 591BNX048000ABAA
• 591BNX060000AAAA
• 591BNX060000ABAA
• 650ANX024000AAAA
• 650ANX024000ACAA
• 650ANX030000AAAA
• 650ANX030000ACAA
• 650ANX036000AAAA
• 650ANX036000ACAA
• 650ANX042000AAAA
• 650ANX042000ACAA
• 650ANX048000AAAA
• 650ANX048000ACAA
• 650ANX060000ABAA
• 650ANX060000ACAA
• 652AJX024000AAAA
• 652AJX030000AAAA
• 652AJX036000AAAA
• 652AJX042000AAAA
• 652AJX048000AAAA
• 652AJX060000AAAA

Documented Replacement and Superseded Part Numbers

• 326164-701

Before Ordering

HVAC parts can vary by equipment series, production date, serial number, revision, dimensions, connectors, and electrical or mechanical specifications. Confirm the complete equipment model and serial number, the original part number, supersession history, and all relevant installation requirements. Installation and diagnosis should be performed by a qualified HVAC service professional.