GW...A6: Compact pressure switches for gas and air

GW...A5: Compact pressure switch for multifunctional gas controls

GW...A4, GW...A4/2: Gas and air pressure switch

GW...A4, A4/2 HP: High-pressure switch for gas, air, flue gases and combustion products

GW 500 A4, GW 500 A4/2 (IP65): Pressure switch for gas, air, flue gases and combustion products

GGW...A4: Differential pressure switches for gas, air, flue and exhaust gases

AA-A4: Differential Pressure Switch for air, flue and exhaust gases /Field adjustable (USA/CDN)

AA-A2 - Differential Pressure Switch for air, flue and exhaust gases /Field adjustable (USA/CDN)

AA-A1 - Differential Pressure Switch for air, flue and exhaust gases /Factory adjusted (USA/CDN)