TWA Standard Actuators

The thermal actuator TWA is used with electrical on/off-controls to activate several types of valves and floor heating manifolds. The actuator is equipped with a visual position indicator to show the open or closed position of the valve.
TWA actuators can be provided with connections for Danfoss RA, RAVL and RAV valves, as well as for valves with M30x1.5 connection..
TWA actuators are made for either 24 V (SELV) or 230 V supply in both normally closed (NC) or normally open (NO) versions (valve positions with no supply voltage to the actuator).

TWA Standard Actuators

Technical data

Code No.TypeDescriptionSupply Voltage
Valve FunctionCable Length


088H3110 TWA-ADanfoss RA connection24NC120
088H3111 TWA-ADanfoss RA connection24NO120
088H3112 TWA-ADanfoss RA connection230NC120
088H3113 TWA-ADanfoss RA connection230NO120
088H3114 TWA-ADanfoss RA connection24NC/S (with end-switch)120


088H3140 TWA-KFor Heimeier, MNG and Oventrop valves with M30×1.5 connection24NC120
088H3141 TWA-KFor Heimeier, MNG and Oventrop valves with M30×1.5 connection24NO120
088H3142 TWA-KFor Heimeier, MNG and Oventrop valves with M30×1.5 connection230NC120
088H3143 TWA-KFor Heimeier, MNG and Oventrop valves with M30×1.5 connection230NO120


088H3130 TWA-LDanfoss RAVL connection24NC120
088H3131 TWA-LDanfoss RAVL connection24NO120
088H3132 TWA-LDanfoss RAVL connection230NC120
088H3133 TWA-LDanfoss RAVL connection230NO120


088H3120 TWA-VDanfoss RAV and VMT connection24NC120
088H3121 TWA-VDanfoss RAV and VMT connection24NO120
088H3122 TWA-VDanfoss RAV and VMT connection230NC120
088H3123 TWA-VDanfoss RAV and VMT connection230NO120


7 Documents found: 2 data sheet and 5 instruction

Data sheet
Thermal Wax Actuator TWA
TWA_VDSAP802.pdf (0.4 Mb), Literature number: VDSAP802, Language: English, Release date: 17/02 2016
Thermot, thermal actuator
Thermot_VDSBX302.pdf (0.4 Mb), Literature number: VDSBX302, Language: English, Release date: 02/12 2015

Instructions TWA NO/NC
VISBH402.pdf (0.5 Mb), Literature number: VISBH402, Language: English, Release date: 13/08 2013
Thermot actuator
Thermot-actuator_VISBJ102.pdf (0.3 Mb), Literature number: VISBJ102, Language: English, Release date: 15/06 2015
Thermot actuator
Thermot-actuator_VISBJ12P.pdf (0.5 Mb), Literature number: VISBJ12P, Language: (2P) GB,CN, Release date: 17/06 2015
TWA-A NC/S instructions
TWA VISAQ302.pdf (0.1 Mb), Literature number: VISAQ302, Language: English, Release date: 08/10 2013
TWA-KS_088R0259_VISBK102.pdf (0.1 Mb), Literature number: VISBK102, Language: English, Release date: 19/08 2015