HKTSD15XB – Goodman 15 kW Electric Heat Kit with Circuit Breaker

HKTSD15XB Goodman 15 kW Electric Heat Kit

HKTSD15XB is a 15 kW electric heat kit designed to add dependable heating capability to compatible Goodman air handlers. This residential HVAC accessory operates on 240-volt, single-phase electrical power and includes circuit-breaker protection.

The kit is installed inside an approved air handler, where its electric resistance elements heat the air circulated by the blower. It may provide primary heat in a compatible straight-cool electric system or supplemental and emergency heating when used with an approved heat-pump system.

HKTSD15XB Heating Capacity

The HKTSD15XB delivers a nominal electric heating capacity of 15 kW. At 240 volts, this equals approximately 51,180 BTU per hour. Actual heating output may vary with the supplied voltage, airflow, air-handler configuration, electrical installation, and operating conditions.

A heating-load calculation should be completed before selecting a heat kit. Building size, insulation, windows, climate, outdoor temperature, air leakage, ductwork, and heat-pump capacity can all affect the amount of electric heating required.

Circuit-Breaker Protection

This Goodman heat kit includes circuit-breaker protection as part of its electrical configuration. The breaker provides accessible equipment protection and a convenient disconnecting point when the heater is installed according to the current manufacturer instructions.

The included circuit breaker does not eliminate the need for properly sized supply circuits and external electrical protection. A qualified professional must determine the correct conductor size, circuit configuration, grounding, disconnecting means, panel capacity, and upstream overcurrent protection.

Electric Heat for Straight-Cool Systems

When installed in a compatible Goodman air handler paired with an air-conditioning condenser, the HKTSD15XB can serve as the system’s source of indoor heat. The outdoor condenser supplies cooling during warm weather, while the electric heat kit provides heating when requested by the thermostat.

This configuration can be useful in residential applications where natural gas or another combustion-based heating source is unavailable or unwanted. The air handler and heat kit must be properly matched and configured to produce safe heating performance.

Supplemental Heat for Heat Pumps

The heat kit may also be installed in an approved heat-pump air handler. In this application, it can provide auxiliary heat when outdoor temperatures reduce the heating capacity of the heat pump or when the building’s heating demand exceeds the output of the outdoor unit.

The HKTSD15XB may also provide emergency electric heat when supported by the thermostat and complete system configuration. Emergency heat allows the electric elements to operate without relying on the outdoor compressor. Available functions depend on the matched equipment, thermostat, control wiring, and installer settings.

Air Handler Compatibility

This 15 kW heat kit is not a universal accessory. It must be installed only in Goodman air-handler models specifically approved for use with the HKTSD series. Brand, system tonnage, cabinet width, or physical fit alone cannot confirm compatibility.

Before ordering, compare the complete air-handler model number with the manufacturer’s current accessory compatibility information. Cabinet design, electrical rating, control system, blower capacity, available airflow, and approved heating options must all support the selected kit.

Proper Airflow and Temperature Rise

Adequate airflow is essential for safe electric-heater operation. Restricted airflow can produce excessive temperature rise, activate safety limits, reduce comfort, and potentially damage the air handler or heating components.

The installer should verify the blower-speed setting, filter condition, return-air opening, supply ductwork, external static pressure, and temperature rise. Correct airflow helps the HKTSD15XB deliver balanced, reliable, and consistent heating performance.

Compact Residential HVAC Accessory

The product listing specifies approximate dimensions of 23 inches long, 12 inches wide, and 6 inches high, with a listed weight of approximately 10 pounds. These dimensions describe the packaged accessory and should not be used alone to determine air-handler compatibility.

The heating assembly is intended to fit inside an approved indoor unit. Always verify the air-handler model, mounting arrangement, available electrical service, and manufacturer accessory chart before purchasing the kit.

Professional Installation Required

Installation of the HKTSD15XB should be completed by a licensed HVAC technician or qualified electrician. Multiple power sources may be present, and all electrical power must be disconnected before installation or service.

The technician should follow the instructions supplied with the air handler and heater kit, secure the assembly, complete the control and high-voltage connections, and inspect all wiring. After installation, every available heating stage should be tested.

Proper amperage, blower operation, thermostat control, temperature rise, circuit-breaker operation, electrical connections, and safety-limit performance should be confirmed before placing the system into regular service.

Key Product Features

• Goodman electric heat-kit accessory
• 15 kW nominal heating capacity
• Approximately 51,180 BTU/h at 240V
• 240V single-phase electrical operation
• Integrated circuit-breaker protection
• Designed for compatible Goodman air handlers
• Suitable for approved residential electric HVAC systems
• Can support compatible air-conditioning or heat-pump systems
• Listed dimensions of 23 × 12 × 6 inches
• Listed product weight of approximately 10 lb

Explore more electric heat kits available from Xpress Supply or review the HKTSD15XB product page for current pricing and availability.

Important: Confirm the air-handler model, approved accessory match, voltage, phase, electrical-panel capacity, circuit requirements, airflow, and applicable building codes before ordering or installing the HKTSD15XB.