Same-day shipping before 3PM CST · 35,000+ OEM Parts · Texas CMBL & SAM.gov Registered · Government POs Accepted

Menu

Home Shop All Account Cart
OEM Carrier Transformer 40VA 120V-24V for G1RS075A13 — HT01BC116
Carrier

OEM Carrier Transformer 40VA 120V-24V for G1RS075A13 — HT01BC116

SKU: CARRIE-G1RS075A13-TRANSFORMER-HT01BC116 Brand: Carrier

OEM Guaranteed

Same-Day Ship

30-Day Returns

Secure Checkout

Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier 40VA Control Transformer for Model G1RS075A13 — Part# HT01BC116

This OEM control transformer (part# HT01BC116) is the factory-specified replacement for the Carrier G1RS075A13 gas furnace. The transformer steps down 120V line voltage to the 24V signal required by your thermostat, control board, gas valve, and all other low-voltage control circuit components. When this transformer fails, the entire control circuit loses power — the thermostat goes blank, the furnace won't respond to any call for heat, and nothing works. It is often the first component to diagnose when there is a complete loss of system response with no error codes displayed.

  • Specs: 40VA rating | Primary: 120VAC | Secondary: 24VAC | Direct OEM replacement | Factory-matched electrical tolerances for reliable control circuit performance
  • OEM vs Generic: OEM transformers like HT01BC116 are wound and rated to Carrier's exact VA and voltage specifications. Generic substitutes frequently deliver unstable 24V output that causes nuisance lockouts, contactor chatter, and premature control board failure — making OEM the smart long-term choice.
  • Install difficulty: 2/5 — Power down the furnace at the disconnect and breaker before starting. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter (to confirm 0V before touching terminals). Photograph all wiring connections before removal. Swap wire-for-wire and restore power to verify 24V output at secondary terminals.
  • Warranty: 1-year OEM factory warranty. In stock and ships same business day from our warehouse.

Compatibility: Engineered as a direct OEM replacement for the Carrier G1RS075A13 gas furnace. Always verify your unit's data plate voltage and VA rating before ordering to ensure correct fitment. Our team is available to confirm compatibility before you purchase — call or chat today and get your furnace back online fast with same-day shipping.

Shipping Information

  • Orders placed before 3PM CST ship same business day
  • Standard delivery: 2-5 business days
  • Express shipping available at checkout
  • Free shipping on orders over $75
  • Tracking number emailed upon shipment

Return Policy

  • 30-day returns on unused parts in original packaging
  • Electrical parts (capacitors, contactors, control boards) are final sale once installed
  • Email info@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Transformer fit my Carrier G1RS075A13 — HT01BC116?
Yes. This is the factory-specified OEM transformer for the Carrier G1RS075A13 — HT01BC116. It is a direct drop-in replacement that fits without modification. Always verify the model number on your equipment nameplate before ordering.
How do I replace the transformer on my Carrier G1RS075A13 — HT01BC116?
Difficulty: Medium (30–45 min)
Step 1: Turn off breaker. Step 2: Photo wiring connections. Step 3: Disconnect wires from old transformer. Step 4: Remove mounting hardware. Step 5: Install new transformer, reconnect wires matching voltage ratings. Step 6: Verify 24V output with multimeter.
My thermostat has no power. What failed?
Thermostat with no display = failed 24V transformer (or blown control board fuse). Check the 3A/5A fuse on the control board first ($1–$5 fix). If fuse is good but no 24V output from transformer, replace transformer.
Is this transformer compatible with Bryant or Payne too?
Many Carrier parts are cross-compatible with Bryant and Payne since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across brand labels with different model numbers. To verify: check your Bryant or Payne equipment service manual for cross-compatible part numbers, or email info@nationalhvacparts.com with your model number.
Should I use OEM or aftermarket for my Carrier transformer?
OEM recommended for reliability and warranty compatibility. OEM parts match exact factory specifications for proper fit, performance, and safety. While aftermarket alternatives cost less upfront, the risk of improper fit and reduced lifespan usually makes OEM the better value long-term.
How fast does National HVAC Parts ship?
Orders placed before 3:00 PM CST ship the same business day. Standard delivery is 2–5 business days anywhere in the continental United States. Express shipping available at checkout. We ship from Houston, TX to all 50 states. 30-day return policy on all parts.
Home Shop Search Account Cart
Fitment Guaranteed
MR
Mike Rivera
HVAC Parts Specialist — Online