440-721-000 | 144C FLAME ROLLOUT SWITCH | Slant Fin

Slant Fin NCO-440-721-000 Slant Fin Flame Rollout Switch The Slant Fin NCO-440-721-000 is a 144C FLAME ROLLOUT SWITCH. This switch is designed to protect your furnace from overheating by shutting off the gas supply if the flame goes out. The NCO-440-721-000 is a reliable and essential safety device for your furnace. Features: * Protects your furnace from overheating * Shuts off the gas supply if the flame goes out * Reliable and essential safety device Shop now at our HVAC supply store for the best prices and fast shipping on all your heating and cooling needs!