the J991MDA-2 is identical to the J991MDA-2H and serves as a direct drop-in replacement

if the error is caused by incorrect venting backpressure

Built for longevity in standard 24V control circuits

like a 1/8" or 1/4"

Direct OEM Compatibility: Precise fit for Raypak 006872F

Wayne 31157 Kit-Tune Up/Repair Els PW 17895 the J991MDA-2 is identical toThe Wayne 31157 kit tune up repair is an essential service set designed specifically for the Wayne HS Blue Angel oil burner. As a technician, you know that maintaining precise ignition and fuel delivery is critical for combustion efficiency and preventing nuisance lockouts. This Wayne combustion repair kit includes a high quality 2 electrode set with buss bar assemblies (21666 013 and 21667 013), a 3 16 inch x 8 inch oil line (14452), and a dedicated