The following spare parts are available for this model:
03-25327-01 - Lockout Reset circuit Board,
60-61997 - LED Lamp,
60-61998 - Lockout Reset Switch,
1030638 - Ignition Transformer,
1037460 - Combustion Fan Kit,
1037440 - Probe Mounting Gasket Kit,
1038148 - Ignition Controller Kit For RHC21 4036-08,
1037362 - NO LONGER AVAILABLE Burner Face Insulation / Burner Face gasket OBSOLETE,
1037451 - Chamber Insulation Kit D(8),
1037762 - Venturi Kit,
1037264 - Premix Burner,
1031727 - Collector Box U - Gasket,
1038085 - Probe Assembly Kit Complete (Not for RHC21-4024-05),
1026946 - Fan Trans Gasket,
1026947 - Combustion Fan Gasket,
1030864 - Gas Valve Lead,
03-25137 - Gas Valve Flange & O Ring Assy,
28-50-038 - Green Neon Lamp,
1031960 - LC3 Limit Stat (Standard Hand & Opposite Hand),
03-25800 - Gas Valve