Lennox 27A16 Heater

The Lennox 27A16 Electric Heat Kit, model ECB25-12.5CB-9, is a 12.5 kW electric resistance heater designed for compatible Lennox air handlers. This genuine Lennox HVAC component provides supplemental or primary electric heating and incorporates circuit-breaker protection for the heater circuits.

The ECB25 12.5 kW heater family operates in the 208–240 VAC, single-phase range, with heating output varying according to the applied voltage. At 240 VAC, the heater provides approximately 12.5 kW / 42,600 BTUH of heating capacity. Lower supply voltages reduce the available kW and BTUH output accordingly.

This Lennox electric heat kit is intended for approved air-handler configurations where heater size, electrical service, airflow, and overcurrent protection requirements are properly matched. Always verify the complete air-handler model and electrical specifications before ordering.

Key Benefits

• 12.5 kW electric heat kit for compatible Lennox HVAC equipment
• Genuine Lennox part number 27A16
• Model ECB25-12.5CB-9
• 208–240 VAC, single-phase operation
• Up to approximately 42,600 BTUH at 240V
• Circuit-breaker-equipped heater configuration
• Designed for compatible Lennox air-handler applications

Common Questions

Is Lennox 27A16 the same as ECB25-12.5CB-9?
Yes. Lennox part number 27A16 corresponds to the ECB25-12.5CB-9 12.5 kW electric heater.

What is the heating capacity?
Approximate output varies with supply voltage:

• 208V — 32,000 BTUH
• 220V — 35,800 BTUH
• 230V — 39,200 BTUH
• 240V — 42,600 BTUH

Will this heater fit my Lennox air handler?
Compatibility should be verified using the complete air-handler model and serial number before ordering, as electrical and heater requirements vary by equipment configuration.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

27A16 is the cross for 12S77

This item is not eligible for free shipping.