True 800315 Defrost Limit Control

What is this part?

True 800315 is a defrost limit control used in True commercial refrigeration service when that exact True part number is specified by the equipment documentation.

What does it do?

A defrost limit control is part of the defrost-control circuit. It helps the refrigeration system terminate or control defrost operation according to the equipment's electrical design.

What happens when it fails?

Defrost-control problems can justify inspecting the limit control, wiring, timer or controller, evaporator condition, and related safeties. Diagnosis should confirm the failed component before replacement.

How do I know this is the correct part?

• Match True OEM number 800315.
• Verify the equipment model and serial information through True parts documentation.
• Compare the removed control markings and wiring connections before ordering.

Which equipment commonly uses it?

This part should be identified by the True OEM number and verified against the specific cabinet model and serial number. Model fitment is not claimed here without a matching True parts lookup.

What should I check before ordering?

Confirm the OEM number, control markings, wiring arrangement, model, serial range, and whether related defrost components also need inspection.

Frequently Asked Questions

What does True 800315 do?

It is used in the defrost-control circuit where the True equipment documentation calls for this part number.

What symptoms can point to defrost-control inspection?

Frost buildup, incomplete defrost, unstable cabinet temperature, or defrost circuit faults can justify inspection of the limit control and related components.

Can this part be selected by appearance?

No. Confirm the True part number, model, serial information, and wiring before ordering.

Should related controls be checked?

Yes. The timer, controller, wiring, and evaporator condition may need inspection during defrost diagnosis.