![](/fileadmin/media/Images/Products/Products_Previews/Group_13_US/LGW-10-A1-ohne1c.png)
AA-A1: Differential Pressure Switch for air, flue and exhaust gases, factory adjusted (USA/CDN) Approvals: UL, FM, CSA
Max. Operating pressure: 1,5 PSI
Max. Operating pressure: 1,5 PSI
![](/fileadmin/media/Images/Products/Products_Previews/Group_13_US/AA_A2.png)
AA-A2: Differential Pressure Switch for air, flue and exhaust gases (USA/CDN) Max. Operating pressure: 7 PSI
Approvals: UL, FM, CSA
Approvals: UL, FM, CSA
![](/fileadmin/media/Images/Products/Products_Previews/Group_13_US/AA_A4.png)
AA-A4: Differential Pressure Switch for air, flue and exhaust gases (USA/CDN) Max. Operating pressure: 7 PSI
Approvals: FM
Approvals: FM
![](/fileadmin/media/Images/Products/Products_Product-Groups/Kachel-GOA_GMH_GML-560x560.png)
G...-A2: Pressure Switch and Pressure Limiter for gas, air, flue and exhaust gases for DMV safety shutoff valves (USA/CDN) Max. Operating pressure: 7/14 PSI
Approvals: UL, FM, CSA
Approvals: UL, FM, CSA
![](/fileadmin/media/Images/Products/Products_Previews/Group_13_US/GAO_A4_US.png)
G...-A4: Pressure Switch and Pressure Limiter for gas, air, flue and exhaust gases (USA/CDN) Max. Operating pressure: 7/14 PSI
Approvals: UL, FM, CSA
Approvals: UL, FM, CSA
![](/fileadmin/media/Images/Products/Products_Previews/Group_13_US/GGAO.png)
GGAO…A4: Differential Pressure Switch for gas, air, flue and exhaust gases (USA/CDN) Max. Operating pressure: 7 PSI
Approvals: UL, CSA
Approvals: UL, CSA
![](/fileadmin/media/Images/Products/Products_Previews/Group_03_Druckwaechter/GGW_Group_1c.png)
GGW...A4: Differential Pressure Switches for gas, air, flue and exhaust gases Max. Operating pressure: 500/600 mbar
Approvals: EN 1854
Approvals: EN 1854
![](/fileadmin/media/Images/Products/Products_Previews/Group_03_Druckwaechter/GW500A4.png)
GW 500 A4, GW 500 A4/2: Pressure Switch for gas, air, flue and exhaust gases Max. Operating pressure: 500 mbar
Approvals: EN 1854
Approvals: EN 1854
![](/fileadmin/media/Images/Products/Products_Previews/Group_03_Druckwaechter/GW_2000_A4_2_HP.png)
GW A4/2 HP SGS: Pressure Switch for special gases and gas, air, flue and exhaust gases for high pressure application (USA/CDN) Max. Operating pressure: 30/75/120 PSI
Approvals: UL, CSA
Approvals: UL, CSA
![](/fileadmin/media/Images/Products/Products_Previews/Group_03_Druckwaechter/GW-A2-SG.png)
GW...A2...SGV: Pressure Switch for special gases and gas, air, flue and exhaust gases for multifunctional gas controls Max. Operating pressure: 500 mbar
Approvals: EN 1854
Approvals: EN 1854
![](/fileadmin/media/Images/Products/Products_Previews/Group_03_Druckwaechter/GW_6000_A4_HP_1_1c.png)
GW...A4, A4/2 HP: Pressure Switch for gas, air, flue and exhaust gases for high pressure application Max. Operating pressure: 2/5/8 bar
Approvals: EN 1854
Approvals: EN 1854
![](/fileadmin/media/Images/Products/Products_Previews/Group_03_Druckwaechter/GW_6000_A4_HP_1_1c.png)
GW...A4/2...HP SGS: Pressure Switch for special gases and gas, air, flue and exhaust gases for high pressure application Max. Operating pressure: 2/5/8 bar
Approvals: EN 1854
Approvals: EN 1854
![](/fileadmin/media/Images/Products/Products_Previews/Group_03_Druckwaechter/GW_A5_1c.png)
GW...A5: Compact Pressure Switch for gas, air, flue and exhaust gases for multifunctional gas controls Max. Operating pressure: 500/600 mbar
Approvals: EN 1854
Approvals: EN 1854
![](/fileadmin/media/Images/Products/Products_Previews/Group_03_Druckwaechter/GW_A6_1c.png)
GW...A6: Compact Pressure Switch for gas, air, flue and exhaust gases Max. Operating pressure: 500/600 mbar
Approvals: EN 1854
Approvals: EN 1854
![](/fileadmin/media/Images/Products/Products_Previews/Group_03_Druckwaechter/KS_A2_2_1c.png)
KS...A2-7: Climate set, Differential Pressure Switch for air Max. Operating pressure: 10 kPa
Approvals: EN 1854
Approvals: EN 1854
![](/fileadmin/media/Images/Products/Products_Previews/Group_03_Druckwaechter/LGW_A2_P_1c.png)
LGW A2, LGW A2P, LGW A2-7: Differential Pressure Switch for air, flue and exhaust gases Max. Operating pressure: 500 mbar
Approvals: EN 1854
Approvals: EN 1854
![](/fileadmin/media/Images/Products/Products_Previews/Group_03_Druckwaechter/LGW_A1_1c.png)
LGW...A1: Differential Pressure Switch for air, flue and exhaust gases, factory adjusted Max. Operating pressure: 100 mbar
Approvals: EN 1854
Approvals: EN 1854
![](/fileadmin/media/Images/Products/Products_Previews/Group_03_Druckwaechter/LGW_3_A2_SGN.png)
LGW...A2...SGN: Pressure Switch for special gases and air, flue and exhaust gases Max. Operating pressure: 500 mbar
Approvals: EN 1854
Approvals: EN 1854
![](/fileadmin/media/Images/Products/Products_Previews/Group_03_Druckwaechter/LGW_A4_1c.png)
LGW...A4: Differential Pressure Switch for air, flue and exhaust gases, Pressure Switch for gas Max. Operating pressure: 500 mbar
Approvals: EN 1854
Approvals: EN 1854
![](/fileadmin/media/Images/Products/Products_Previews/Group_03_Druckwaechter/LGW_150_A4_SGV.png)
LGW…A4…SGV: Differential Pressure Switch for special gases and air, flue and exhaust gases, Pressure Switch for gas Max. Operating pressure: 500 mbar
Approvals: EN 1854
Approvals: EN 1854
![](/fileadmin/media/Images/Produktprogramm/GW-Search.png)
Pressure Switch Selection Tool (English language only)
![](/fileadmin/media/Images/Products/Products_Previews/Group_03_Druckwaechter/ATEX-Titel.png)
Program overview: ATEX Pressure Switches & Valves Approvals: EN 1854 / EN 161
![](/fileadmin/media/Images/Products/Products_Previews/Group_03_Druckwaechter/GW_LGW_Programm.png)
Program overview: Gas and air Pressure Switches GW/LGW
![](/fileadmin/media/Images/Products/Products_Previews/Group_03_Druckwaechter/Gruppe-Sondergas.png)
Program overview: Special gases Pressure Switches & Valves Approvals: EN 1854
![](/fileadmin/media/Images/Products/Products_Previews/Group_03_Druckwaechter/UB_NB_A2_1c.png)
ÜB, NB...A2: Pressure Limiter for gas, air, flue and exhaust gases for multifunctional gas controls Max. Operating pressure: 500/600 mbar
Approvals: EN 1854
Approvals: EN 1854
![](/fileadmin/media/Images/Products/Products_Previews/Group_03_Druckwaechter/UB_NB_A4_1c.png)
ÜB, NB...A4: Pressure Limiter for gas, air, flue and exhaust gases Max. Operating pressure: 500/600 mbar
Approvals: EN 1854
Approvals: EN 1854