{"product_id":"carrier-pg9yab060100aaaa-transformer-h2usby","title":"OEM Carrier 24V Control 40VA Transformer for PG9YAB060100AAAA Furnace","description":"\u003cdiv class=\"product-content\"\u003e\n\u003ch1\u003eOEM Carrier 24V Control Transformer for PG9YAB060100AAAA Furnace\u003c\/h1\u003e\n\u003cp\u003eThe control transformer steps the incoming 120V line voltage down to the 24VAC that the furnace control board, thermostat, gas valve, and inducer relay all run on. Everything low-voltage in the system depends on it. When the transformer fails — usually an open primary or secondary winding, often after a shorted thermostat wire or a stuck contactor draws excess current — the entire control circuit goes dead. The homeowner sees a blank thermostat, a furnace that won't respond to any call for heat or cool, and no LED on the control board, even though the house still has 120V power. Sometimes a failing transformer hums loudly or smells of burnt varnish before it opens.\n\nSpecs: this is a 120V primary \/ 24VAC secondary class-2 control transformer, typically rated around 40VA on a furnace of this size, supplying enough current for the gas valve, board, and a cooling contactor simultaneously. Many units are internally fused or paired with a board-mounted 3–5A fuse. The mounting footprint and spade terminations match the PG9YAB control box.\n\nOEM vs generic: VA rating and winding quality are what matter. An undersized generic transformer sags under load when the gas valve and inducer pull together, causing the board to brown-out and reset mid-cycle. Lower-grade windings also run hotter and fail early. The OEM transformer delivers full rated VA with stable secondary voltage.\n\nInstall difficulty: 2\/5. Tools: 1\/4\" nut driver, wire strippers and connectors, and a multimeter to confirm 24VAC output. SAFETY: kill the breaker — the primary side carries 120V line voltage and can shock or arc.\n\nShips same business day from our stocked warehouse on orders before 3 PM CST. Backed by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model PG9YAB060100AAAA. Always verify the part number against your unit's data plate before ordering.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose OEM?\u003c\/h2\u003e\n\u003cp\u003eOEM parts are manufactured to the exact factory specifications for your unit. Generic aftermarket alternatives may fit physically but often use lower-rated components that reduce equipment life and void manufacturer warranties. When the cost difference between OEM and generic is $10-30, the OEM part is always the smarter investment on a system worth $5,000-$15,000.\u003c\/p\u003e\n\u003ch2\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping on orders before 3 PM CST. Standard delivery 2-5 business days, express options available at checkout. 30-day hassle-free returns on uninstalled parts — free return shipping included. 1-year OEM factory warranty coverage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62642035097971,"sku":"CARRIE-PG9YAB060100AAAA-TRANSFORMER-HT01BC117","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62642035130739,"sku":"CARRIE-PG9YAB060100AAAA-TRANSFORMER-HT01BC117-GEN","price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-control-HT01BC117.jpg?v=1782898061","url":"https:\/\/nationalhvacparts.com\/products\/carrier-pg9yab060100aaaa-transformer-h2usby","provider":"National HVAC Parts","version":"1.0","type":"link"}