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Water Heater Repair and Maintenance: Tank and Tankless, Electric and Gas: Elements, Thermostats, Anodes, Venting and Fault Diagnosis
Paperback
Technology & EngineeringPlumbing
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ISBN13: 9798190519273
Publisher: Independently Published
Published: Aug 3 2026
Pages: 178
Weight: 0.54
Height: 0.38 Width: 6.00 Depth: 9.00
Language: English
Publisher: Independently Published
Published: Aug 3 2026
Pages: 178
Weight: 0.54
Height: 0.38 Width: 6.00 Depth: 9.00
Language: English
Measuring before replacing saves money. This practical guide shows how residential water heaters work, how to maintain them, and how to find faults step by step, so you can fix what is safe to fix yourself and talk knowledgeably with a professional about the rest. It covers electric and gas tank heaters, gas and electric tankless heaters, heat pump water heaters, and UK and European systems, with 23 drawn figures placed inside the lessons they teach. WHAT IS INSIDE Parts 1 to 13, the lessons:
- How water heaters work, with drawn cutaways of electric and gas tank heaters.
- Safety first: electricity, gas, carbon monoxide, scalding, the T&P valve, permits and codes, and when to call a professional.
- Tools, meters and parts, with tables of the tool kit and what each part does.
- Routine maintenance: flushing, testing the T&P valve, inspecting the anode, and tankless and heat pump care.
- Electric tank heaters: the dual-element heating sequence, element resistance and ground tests, thermostats and the high limit (ECO).
- Gas tank heaters: the gas control, pilot and thermocouple, burner flames, flame arrestors and thermal switches.
- Venting and combustion air: natural draft, power vent and direct vent, and the draft (spillage) test.
- Anodes, corrosion and water quality, including smelly hot water and hard water.
- Tankless heaters: flow and temperature rise, minimum flow, descaling and error codes.
- Heat pump heaters, plumbing connections, expansion tanks, mixing valves and recirculation.
- Sizing, repair or replace, and a diagnosis method with fault-finding charts, fault tables and a symptom index. Part 14, UK and European systems in metric units: open vented and unvented cylinders and their safety devices, immersion heaters, combi boilers, European safety groups, and who may do the work. 19 step-by-step procedures with steps to tick, from flushing a tank to testing an immersion heater. Part 15, 86 worked diagnostic jobs, each with the complaint, the checks and readings, the diagnosis, the repair and the lesson. Part 16, 24 calculation exercise sets with answers in US and metric units: element resistance and current, recovery, tankless flow, mixing, energy and cost. Parts 17 to 19: 8 worksheets and logs, a quick reference with formulas and scald times, 70 common questions answered, the answer key and a glossary. WHO IT IS FOR Homeowners, landlords, maintenance staff and trainee technicians who want to understand, maintain and diagnose residential water heaters. PLEASE NOTE This book is not a substitute for the manufacturer's instructions, local plumbing, electrical and fuel gas codes, or a qualified professional. Gas piping, gas valves, venting and electrical circuit work may legally require a licensed professional, permits and inspection. Electricity, gas, carbon monoxide, scalding water and heavy tanks can cause serious injury or death; if you are not sure, stop and call a professional.
- Safety first: electricity, gas, carbon monoxide, scalding, the T&P valve, permits and codes, and when to call a professional.
- Tools, meters and parts, with tables of the tool kit and what each part does.
- Routine maintenance: flushing, testing the T&P valve, inspecting the anode, and tankless and heat pump care.
- Electric tank heaters: the dual-element heating sequence, element resistance and ground tests, thermostats and the high limit (ECO).
- Gas tank heaters: the gas control, pilot and thermocouple, burner flames, flame arrestors and thermal switches.
- Venting and combustion air: natural draft, power vent and direct vent, and the draft (spillage) test.
- Anodes, corrosion and water quality, including smelly hot water and hard water.
- Tankless heaters: flow and temperature rise, minimum flow, descaling and error codes.
- Heat pump heaters, plumbing connections, expansion tanks, mixing valves and recirculation.
- Sizing, repair or replace, and a diagnosis method with fault-finding charts, fault tables and a symptom index. Part 14, UK and European systems in metric units: open vented and unvented cylinders and their safety devices, immersion heaters, combi boilers, European safety groups, and who may do the work. 19 step-by-step procedures with steps to tick, from flushing a tank to testing an immersion heater. Part 15, 86 worked diagnostic jobs, each with the complaint, the checks and readings, the diagnosis, the repair and the lesson. Part 16, 24 calculation exercise sets with answers in US and metric units: element resistance and current, recovery, tankless flow, mixing, energy and cost. Parts 17 to 19: 8 worksheets and logs, a quick reference with formulas and scald times, 70 common questions answered, the answer key and a glossary. WHO IT IS FOR Homeowners, landlords, maintenance staff and trainee technicians who want to understand, maintain and diagnose residential water heaters. PLEASE NOTE This book is not a substitute for the manufacturer's instructions, local plumbing, electrical and fuel gas codes, or a qualified professional. Gas piping, gas valves, venting and electrical circuit work may legally require a licensed professional, permits and inspection. Electricity, gas, carbon monoxide, scalding water and heavy tanks can cause serious injury or death; if you are not sure, stop and call a professional.
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