Water heater not producing hot water

Little or no hot water at the fixtures.

Water Heating

normal

Affected equipment

Water Heater
Equipment
Storage, tankless and heat pump water heaters, and the safety devices every installation depends on.

Background

Combustion Basics
Concept
What clean combustion requires, what the products of combustion tell you, and why analysis beats guessing.

Local Code Notice

HVAC installation, venting, combustion air, ventilation air, gas piping, clearances, termination locations, electrical requirements, permits, and equipment requirements vary by jurisdiction and equipment. Always verify the applicable local codes, adopted code edition, regulations, permits, and manufacturer installation instructions before installation or service.