{"product_id":"carrier-pg95sas42100cbaa-pressure-switch-gxtz0f","title":"OEM Carrier Dual Pressure Switch Assembly HK06NB021 — PG95SAS42100CBAA","description":"\u003ch1\u003eOEM Carrier Dual Pressure Switch Assembly HK06NB021 for Model PG95SAS42100CBAA\u003c\/h1\u003e\u003cp\u003eThis OEM dual pressure switch assembly (part number \u003cstrong\u003eHK06NB021\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier PG95SAS42100CBAA\u003c\/strong\u003e 95% AFUE single-stage gas furnace. The pressure switch monitors negative pressure created by the inducer draft motor to confirm proper venting before allowing the gas valve to open. When either switch in the assembly fails, the furnace control board receives no proof-of-draft signal and locks out the ignition sequence entirely — leaving you with a cold house and a blinking fault code.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Dual pressure switch assembly | Monitors both high and low pressure stages | 24V control circuit | Factory-calibrated W.C. setpoints | Replaces OEM part numbers \u003cstrong\u003eHK06NB021\u003c\/strong\u003e and \u003cstrong\u003eHK02LB008\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM assembly, factory-set to exact water column (W.C.) trip points. Aftermarket switches often carry wider tolerances that can cause nuisance lockouts or, worse, unsafe furnace operation. Do not substitute generic on pressure-proving circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting hose ports, spade connectors, and verifying hose integrity. Tools needed: 1\/4\" nut driver, needle-nose pliers, digital manometer (recommended to verify W.C. post-install). Always power down and lock out before servicing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. In-stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered for the \u003cstrong\u003eCarrier PG95SAS42100CBAA\u003c\/strong\u003e packaged gas furnace. This dual assembly replaces both the primary draft pressure switch (HK06NB021) and the companion gas pressure switch (HK02LB008) where applicable. Verify your unit's data plate and existing switch W.C. ratings before ordering. Our HVAC parts specialists are available to confirm fitment — contact us before you order if you have any questions.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62642557256051,"sku":"CARRIE-PG95SAS42100CBAA-PRESSURE_SWITCH-HK06NB021","price":90.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62642557288819,"sku":"CARRIE-PG95SAS42100CBAA-PRESSURE_SWITCH-HK06NB021-GEN","price":79.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK06NB021_70fbf938-91e4-46fd-b77c-2bf8caae1c24.jpg?v=1775028383","url":"https:\/\/nationalhvacparts.com\/products\/carrier-pg95sas42100cbaa-pressure-switch-gxtz0f","provider":"National HVAC Parts","version":"1.0","type":"link"}