allowing a technician to mechanically remove combustion byproducts and mineral deposits without damaging the internal fins or the refractory

supporting non-fluctuating temperature control in Selectra electronic gas flame modulation systems

It is a direct replacement for Source 1 components in various furnace models

5 kW) output

Using a Lennox 15D57 ensures your system maintains a precise defrost cycle

Nordyne 669749R Orifice 318518-761 allowing a technician to mechanicallyWhen you're dealing with pressure switch trip outs or improper combustion cycles in Nortek manufactured units, verify the condition of the Nordyne 669749R inducer orifice. This 0. 687 inch inducer orifice is a precision engineered throttle component designed specifically for M7RL 060 and M7TL series downflow gas furnaces. As a veteran technician knows, maintaining the specific 0. 687 internal diameter is critical for calibrated venting performance and