The following spare parts are available for the model number RHC21-8100.12:
Brackets & Fixings
| Part name | Also known as |
| 1038085 - Probe Assembly Kit Complete (Not for RHC21-4024-05) |
Burners
| Part name | Also known as |
| 1031224 - Premix Burner | |
| 28-50-038 - Green Neon Lamp | |
| 60-61997 - LED Lamp |
Electrical Components
| Part name | Also known as |
| 1030638 - Ignition Transformer | transformer, Ignition ignition transformer |
Gas Valves
| Part name | Also known as |
| 03-24976-02 - Gas Valve Flange & O Ring Assy | solenoid valve Flange & O Ring Assy |
| 1030499 - Gas Valve | solenoid valve |
| 1030864 - Gas Valve Lead | solenoid valve Lead |
Other Heater Components
| Part name | Also known as |
| 03-24959 - LC3 Limit Stat (Opposite Hand) | |
| 03-25327-01 - Lockout Reset circuit Board | lockout reset brahma board, small brahma pcb |
| 1030764 - Venturi Kit | |
| 1031960 - LC3 Limit Stat (Standard Hand & Opposite Hand) | |
| 1037360 - Burner Face Insulation / Burner Face gasket | |
| 1037440 - Probe Mounting Gasket Kit | |
| 1037453 - Chamber Insulation Kit, F(12) | |
| 1037461 - Combustion Fan Kit | combustion fan assembly Kit, flue venter assembly Kit, flue fan Kit, venter motor Kit, premix burner combustion fan Kit |
| 1038140 - Ignition Controller Kit For RHC21 8100-12 | Ignition control box Kit For RHC21 8100-12, Ignition ignition controller Kit For RHC21 8100-12, Ignition electronic controller Kit For RHC21 8100-12, Ignition auto ignition controller Kit For RHC21 8100-12, Ignition main burner relay Kit For RHC21 8100-12, control box Kit For RHC21 8100-12, controller Kit For RHC21 8100-12, electronic controller Kit For RHC21 8100-12, auto ignition controller Kit For RHC21 8100-12, main burner relay Kit For RHC21 8100-12 |
| 60-61998 - Lockout Reset Switch | lockout indication, reset switches, heater multifunctional status lamp |