Residential gas heaters
Raypak Digital Ignition Diagnostic Guide
Shared atmospheric-heater readouts plus a separate X94/SR-410 diagnostic table, preserving the controls used by each family.
Open guide →Raypak Troubleshooting Guides
Field-ready guides built from Raypak installation and operation manuals. Identify the exact model family first, record the display text before resetting anything, and keep gas, line-voltage, combustion, and refrigerant work with qualified technicians.
Interactive diagnostics
Manual-backed guides
Commercial gas heaters
Raypak Commercial PIM Diagnostic Guide
PIM display text and LED flash-code guidance for H/WH/P commercial platforms.
Open guide →AVIA and AVIA HD 264A/404A
Raypak AVIA Diagnostic Guide
Decode Raypak AVIA status messages, lockouts, sensor faults, flame strength, flow warnings, and combustion symptoms with checks taken from the installation and operation manual.
Open guide →XTherm 1005A–2005A
Raypak XTherm Diagnostic Guide
Raypak XTherm display errors and PIM LED flash codes with manual-backed sensor, ignition, voltage, blower, and flow checks.
Open guide →R2450–R8450 heat pumps
Raypak R2450–R8450 Heat Pump Diagnostic Guide
Decode Raypak R2450 through R8450 heat-pump status and error messages with manual-backed sensor, pressure, voltage, flow, and control checks.
Open guide →Professional Series PS10353–PS10355
Raypak Professional Heat Pump Diagnostic Guide
Raypak Professional Series heat-pump fault codes with manual-backed refrigerant, water-flow, sensor, defrost, and keypad guidance.
Open guide →Crosswind and Crosswind V
Raypak Crosswind Heat Pump Diagnostic Guide
Separate Raypak Crosswind and Crosswind V diagnostic tables for flow, pressure, sensors, inverter faults, lockouts, and normal compressor delays.
Open guide →ELS 0005, 0011, 0018, and 0027
Raypak E3T Electric Heater Diagnostic Guide
Decode all five Raypak E3T electric-heater fault codes and distinguish sensor shorts from an external-controller call-for-heat condition.
Open guide →RCAGP100, RCAGP102, RCAGP150, and RCAGP152
Raypak Protege AGP Pump Troubleshooting Guide
Manual-backed Raypak Protege above-ground pump troubleshooting for no-start, no-prime, low-flow, pressure, noise, overheating, shaft leaks, and air bubbles.
Open guide →Equipment specifications
Use the Raypak equipment library for model-specific electrical, flow, heating, and service-reference data.