The Emerson Alco 049191 Repair Kit

the A42 is technically identical to the A-005-6006 cross reference and fits standard Type A pulleys used in most HVACR equipment

range for 325-3 units and 2-5 PSI for 220 series regulators

How often should these MERV 11 filters be changed

Does this fit the D2 pilot as well

Reznor 97535 Pilot Assembly 30067439-890 The Emerson Alco 049191 RepairThe Reznor 97535 Pilot Assembly is a critical OEM replacement part designed for field technicians maintaining Reznor commercial and industrial unit heaters. This specific LP gas pilot assembly is engineered for high performance flame detection and ignition reliability in Q90FF 2 and compatible Series 6 heating systems. It features a precision machined 0. 034 inch orifice calibrated specifically for liquid propane to ensure a stable pilot flame and