Tag: tankless
All the articles with the tag "tankless".
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Rheem Performance Platinum PDN Tankless Error Codes — Complete Fix Guide
Rheem Performance Platinum PDN tankless water heater error codes. Covers codes 10, 11, 12, 13, 14, 29, P1, and combustion/venting faults with step-by-step diagnosis.
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Navien NFC Combi Boiler Error Codes: Complete Guide
Updated:Navien NFC combi boiler error codes and fault diagnostics. E-series error codes, causes, and technician-level troubleshooting procedures.
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Heat Pump Water Heater vs. Tankless: 2025 Cost and Efficiency Comparison
Heat pump water heaters cost $1,500 to $3,000 installed vs tankless at $1,200 to $2,500. Compare IRA rebates, energy factor ratings, space needs, and payback periods.
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Tankless Water Heater vs. Tank: Cost, ROI, and Which to Choose
Tankless water heaters cost $800 to $1,500 vs tanks at $400 to $900 installed. Compare lifespan, energy savings, and installation complexity to pick the right one.
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Bosch Greentherm 9000/9800 Error Codes — Complete Fix Guide
Bosch Greentherm 9000 and 9800 error codes A0, C7, E9, BB explained. Diagnose and fix ignition failure, fan faults, and burner lockout on Bosch tankless heaters.
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Navien Error Code E021 — Cold Water Inlet Thermistor Fault Fix
Navien error code E021 means the cold water inlet thermistor has an open circuit. Learn how to diagnose and replace the NTC sensor on NPE, NPN, and NCB series units.
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Navien Error Code E022 — Hot Water Outlet Thermistor Fault Fix
Navien E022 error code means the hot water outlet thermistor is shorted or open. Learn how to diagnose the NTC sensor and wiring on Navien NPE, NPN, and NCB models.
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Rinnai Error Code 07 — Heat Exchanger High Temperature Fix
Rinnai error code 07 means the secondary heat exchanger exceeded its temperature limit. Learn the causes, diagnosis steps, and fixes for non-SENSEI Rinnai models.
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Rinnai Error Code 10 — Condensate / Exhaust Blockage / Fan Motor Fault Fix
Rinnai error code 10 signals a condensate drain blockage, exhaust restriction, or fan motor failure on SENSEI and non-SENSEI series — here's how to diagnose and fix it.
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Rinnai Error Code 29 — System Communication Fault Fix
Rinnai error code 29 indicates a system or communication fault on Rinnai tankless water heaters. Learn how to diagnose PCB failure, sensor faults, and wiring issues.
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Rinnai Error Code 11 — No Ignition Fix
Rinnai error code 11 means the tankless water heater failed to ignite. This guide covers every cause and fix for the Rinnai Code 11 ignition failure.
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Navien Error Code E012 — Flame Loss During Operation Fix
Navien E012 error code means the flame was lost during operation. This guide covers diagnosis and fixes for the Navien E012 flame loss fault on tankless and combi units.
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Navien Error Code E001 — No Ignition Fix
Navien E001 error code means the burner failed to ignite. This guide covers every cause and fix for the Navien tankless water heater and combi-boiler E001 ignition fault.
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Navien Error Code E003 — Ignition Failure Fix
Navien error code E003 means ignition failure on NPE, NPN, and NCB series tankless water heaters and combi boilers — here's how to diagnose and fix it.