Home / Parts & Supplies / GE HVAC Accessories & Heat Kits / HI-ALT. PRES. SWITCH GE 74W89 HIGH-ALTITUDEPRESSURE SWITCH GE · MODEL 74W89HI-ALT. PRES. SWITCH Specifications Additional information Brand GE Related products GE · NS16H30SA5GE 2.5-Ton 16 SEER2 Single-Stage Heat Pump2.5 Ton · 16 SEER2 · Single-Stage · R454BInstallation InstructionsQuick SpecsWarrantyPickup · Delivery Pricing & stockSign in GE · NAM24V2TA5SGE 2-Ton 2-Piece VS Air Handler2 Ton · R454BInstallation InstructionsQuick SpecsWarrantyPickup · Delivery Pricing & stockSign in GE · NS16H18SA5GE 1.5-Ton 16 SEER2 Single-Stage Heat Pump1.5 Ton · 16 SEER2 · Single-Stage · R454BInstallation InstructionsQuick SpecsWarrantyPickup · Delivery Pricing & stockSign in GE · NS16H24SA5GE 2-Ton 16 SEER2 Single-Stage Heat Pump2 Ton · 16 SEER2 · Single-Stage · R454BInstallation InstructionsQuick SpecsWarrantyPickup · Delivery Pricing & stockSign in