- Boiler Jacket
- Cast-Iron Boiler Battery
- High Limit Control
- Vent Damper Relay
- Circulato
- Main Gas Burners
- Combination Gas Control includes: Automatic Gas Valve, Gas Pressure Regulator, Intermittent Pilot, Safety Shut Off, Pilot Flow Adjustment, Pilot Filter – A.S.M.E. Relief Valve – Drain Valve – Spill Switch – Rollout Switch – Automatic Vent Damper.