Duke 1302: Used-Buy Risk, Repairs & What to Check

Buy-Risk Verdict

Inspect before buying · moderate confidence

Short answer: Common drop-door Thermotainer holding cabinet with deep OEM parts support (thermostat ~$424, heating element strip ~$286); Duke's own troubleshooting table lists a defective thermostat or defective heating elements as the direct causes of a compartment not heating (or overheating), so verify every compartment reaches and holds temperature and that the pilot lights behave as described before buying used. Basis: Duke TA-21 Thermostat without Knob, 1PH | Parts Town.

Last verified against the primary source on Sep 20, 2026.

Decision status

inspect

Common drop-door Thermotainer holding cabinet with deep OEM parts support (thermostat ~$424, heating element strip ~$286); Duke's own troubleshooting table lists a defective thermostat or defective heating elements as the direct causes of a compartment not heating (or overheating), so verify every compartment reaches and holds temperature and that the pilot lights behave as described before buying used.

Confidence 50%

Market context

Not yet verified

Comparable set not yet verified

As of Not yet verified

Repair Risk Matrix

What can make the cheap machine expensive?

Component	Severity	Documented repair cost
Compartment thermostat	high	$424–$424
Heating element strip	medium	$286–$286

Compartment thermostathigh

OEM thermostat without knob (Duke TA-21, single-phase) lists at $424.00 on Parts Town. Duke's own troubleshooting table lists "Defective thermostat" and "Thermostat defective or requires recalibration" as direct causes of both "Compartment not heating" and "Compartment overheating," and gives a pilot-light diagnostic: "If amber pilot light is glowing, there is power up to the thermostat. If red pilot light is glowing, there is power after thermostat... If operative, replace thermostat."

$424–$424

Heating element stripmedium

OEM element strip (Duke TA-18A, 208V/1000W, Thermotainer Warmer) lists at $286.00 on Parts Town. Per Duke's troubleshooting table, "Defective heating elements" and a "Disconnected element terminal" are listed causes of a compartment not heating, with the correction "remove compartment and replace heating element located on each side of the bottom air space surrounding compartment."

$286–$286

My Price: $ 424.00 ... Manufacturer #: TA-21 ... Parts Town #: DUKTA-21

— Duke TA-21 Thermostat without Knob, 1PH | Parts Town

Common questions

What fails on the Duke 1302?

The most cited concerns in our evidence record: Compartment thermostat, Heating element strip. See the risk breakdown above for details and sources.

Parts economics

Key parts and observed prices

Part	Part #	Observed price	As of
Duke TA-21 Thermostat without Knob, 1PH	Parts Town #DUKTA-21, Mfr #TA-21	$424.00	2026-09-20
Duke TA-18A Element Strip, 208 Volt, 1000 Watt, Thermotainer Warmer	Parts Town #DUKTA-18A, Mfr #TA-18A	$286.00	2026-09-20

Prices are point-in-time observations from the linked seller pages, not quotes. Availability and pricing change.

Evidence excerpts

From the research record

REPAIR PART (2026-09-20): Duke TA-21 Thermostat without Knob, 1PH (Parts Town #DUKTA-21, Mfr #TA-21): $424.00 https://www.partstown.com/p/duke/dukta-21
REPAIR PART (2026-09-20): Duke TA-18A Element Strip, 208 Volt, 1000 Watt, Thermotainer Warmer (Parts Town #DUKTA-18A, Mfr #TA-18A): $286.00 https://www.partstown.com/p/duke/dukta-18a

Reference list

Sources

Duke TA-21 Thermostat without Knob, 1PH | Parts Townparts-retailer · verified-primary
Duke TA-18A Element Strip, 208 Volt, 1000 Watt, Thermotainer Warmer | Parts Townparts-retailer · verified-primary
Duke Thermotainer Installation, Operation, Service and Care Manual (covers model 1302-1302P)manual · verified-primary

Spot an error? Challenge this record

Found an out-of-date code section, a wrong verdict, or a better primary source? Tell us. Corrections that check out are applied, with the change shown in history — that is our standing policy.