Oil Nozzle - 3.50 80 HO-12PK - Monarch Operating Conditions: The S-4005 can

Operating Conditions: The S-4005 can operate within a temperature range of 14°F to 212°F (-10°C to +100°C) and has a maximum working pressure of 450 PSI (31 Bar)

It appears to be a variant of the standard CA477

Bit Diameter: 1/4 inch

The Henry 5702-870 is a brass angle-type pressure relief valve with 1/2" NPTF inlet and 1" NPTF outlet

Oil Nozzle - 3.50 80 HO-12PK - Monarch Operating Conditions: The S-4005 can3. 50 80 HO Monarch Oil Nozzle (12 Pack) Monarch 3. 50 80 HO oil nozzles are engineered for heavy oil combustion applications requiring dependable atomization at elevated operating pressures. Manufactured to Monarch's exacting standards, these nozzles are specifically designed for burners operating on higher viscosity fuel oils, where standard light oil nozzles are not suitable. Technical Specifications Flow Rate: 3. 50 GPH Spray Angle: 80 Spray