Riello RS34, RS44 gas burner basic information:

the output range of the Riello RS series Burners  from 81 to 2290KW, designed for use in hot or superhot water Boilers, hot air generators or steam boilers, thermal oil furnaces. Adjust mode Is  smooth two sections of flame.

the burner is equipped with electronic Devices:Status display, can provide all the burner operation Parameters;Operation hours, ignition times and fault information.

Fans with forward-leaning blades and the Addition of sound insulation materials at the fan inlet ensure the lowest noise Emissions. the performance of fan and burner can be improved to increase the Application range of the burner and ensure the combustion efficiency at each Operating condition. the advanced design of the burner makes its size smaller, Easy to use and maintenance, more accessories can ensure that the function of the burner upgrade at any time

 Dungs  Air Pressure Switches

46020-2 

Specifications
0.16" to 1.2" W.C
1/4" NPT Positive Connection and 1/8" NPT Negative Connection
Includes A Test Button In the Lower Housing
Spdt Sw 5A @ 120 Vac 3A Fla
Nema Type 4 
Max Operating Pressure: 7 PSI (500 Mbar)
Temperature Rating: -40 F to +140 F (-40 C to + 60C)

Description
the Dungs Differential Pressure Switches Are Field Adjustable, Compact Pressure Switches for Automatic Burner Controls. Differential Pressure Switches Are Suitable for Making and/Or Breaking Circuit When the Medium Pressure Changes Relative To the Set Point.

Application
Differential Pressure Monitoring In Firing, Ventilation and Air Conditioning Systems. the Can Be Used as A Pressure, Vacuum Or Differential Pressure Switch for Air and Non-Aggressive Gases. Not Suitable for Natural Gas, Propane, Butane and Other Combustible Gases.

Full Port, Threaded Connection, Stainless Steel Ball and Stem

Blow-out proof stem

TEA Coated

Prevents dezincification and galvanic corrosion

100% leak tested

Leakproof stem - Lifetime Warranty

29 in-Hg vacuum rating