{"product_id":"icp-pressure-switch-tubing-for-wpg4604130rkb1-oem-sensing-line-ships-today","title":"ICP Pressure Switch Tubing for WPG4604130RKB1 — OEM Sensing Line | Ships Today","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThis OEM pressure switch tubing (part number 1178417) is the factory sensing line that connects the pressure switch to the inducer\/collector box on the ICP\/Tempstar\/Heil WPG4604130RKB1. The tubing carries the negative pressure signal that tells the pressure switch the inducer is moving combustion air and that the vent is clear, which is required before the control board will allow ignition. Cracked, kinked, melted, or moisture-clogged tubing is a leading cause of nuisance pressure-switch lockouts where the furnace clicks, runs the inducer, then fails to light. Replacing aged tubing with the correct OEM line restores a reliable pressure signal and proper ignition sequencing.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e1178417\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003ePressure Switch Tubing \/ Sensing Line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eICP \/ Tempstar \/ Heil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eTransmits pressure signal to switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eCombustion air \/ vent pressure sensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eDirect OEM sensing line for the ICP\/Tempstar\/Heil WPG4604130RKB1 packaged unit and other WPG-series models that use the same pressure switch and inducer assembly. Confirm routing length and port fitment against your original tubing before installing.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety First\u003c\/strong\u003e — Disconnect power and shut off the gas supply, then verify zero voltage with a multimeter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccess\u003c\/strong\u003e — Remove the service panel to reach the pressure switch and inducer\/collector box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocument\u003c\/strong\u003e — Photo the tubing routing and both port connections before removing anything.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove\u003c\/strong\u003e — Pull the old tubing off the pressure switch port and the inducer\/collector box fitting, noting any clips or grommets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall\u003c\/strong\u003e — Route the new tubing the same way with no kinks or low spots, and seat it fully on both ports.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest\u003c\/strong\u003e — Restore gas and power, run a heat cycle, and confirm the pressure switch closes and the burners light.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eSigns You Need a Replacement\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFurnace runs the inducer but locks out on a pressure-switch fault.\u003c\/li\u003e\n\u003cli\u003eVisible cracks, kinks, melting, or hardening of the tubing.\u003c\/li\u003e\n\u003cli\u003eMoisture or debris trapped inside the line.\u003c\/li\u003e\n\u003cli\u003eIntermittent ignition that improves when the tubing is wiggled or replaced.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eShipping \u0026amp; Returns\u003c\/h3\u003e\n\u003cp\u003eShips same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.\u003c\/p\u003e","brand":"ICP","offers":[{"title":"OEM","offer_id":63021495452019,"sku":"WPG4604130RKB1","price":32.44,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":63047707853171,"sku":"WPG4604130RKB1-GEN","price":24.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-single-WPG4604130RKB1.jpg?v=1782895267","url":"https:\/\/nationalhvacparts.com\/products\/icp-pressure-switch-tubing-for-wpg4604130rkb1-oem-sensing-line-ships-today","provider":"National HVAC Parts","version":"1.0","type":"link"}