Delavan 38745-002 DA-2 Air Atomizing Siphon Nozzle (Waste Oil Nozzle) Exact Same As Reznor 107310, 56975-6 Used In Reznor Model RA110, RA-110, RAD110, RAD-110 and Model RA140-H, RA-140H, RAD140-H, RAD-140-H (high altitude) Siphon Air Atomizing 8.0 psi air Lift 0.50”. Flow is approximately 1.50 gph With an 80° spray angle Type DA are of a similar design as the SNA but are developped to burn oils with very high viscosity clog free operation of low volume due to large inside passages and orifice DA2