General Studies · Refrigeration and Air Conditioning
Which of the following components of a walk-in cooler/freezer system is required specifically on freezers to prevent drain line freeze up?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Heat exchanger
- 2Condenser unit rack
- 3Drain line heater✓
- 4Condensate water evaporator
Correct answer
Drain line heater
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