恒溫器可控制一個風機與閥門的開／關，以控制所需要的溫度，風機也可以由恒溫器控   制。在有些情況下，可以連續(xù)動轉，或隨恒溫器循環(huán)運轉。

恒溫器備有一個手動三速風機開關和一個系統總開關。有些型號的恒溫器有冷熱轉換開關的功能。
 冷熱轉換開關功能是通過操作恒溫器面板上的冷熱開關來完成。對于有些型號。這個功能是通過使用風機盤管送水管道上的恒溫器自動轉換來實現的。

三速風機開關 
Q6371A1006 Fan speed controller 
Q6371A1014 Fan speed controller 
Q6371A1022 Fan speed controller 
Q6371A1030 Fan speed controller 
Q6371B1004 Fan speed controller
Q6371A1006 Fan speed controller 
Q6371A1014 Fan speed controller 
Q6371A1022 Fan speed controller 
Q6371A1030 Fan speed controller 
Q6371B1004 Fan speed controller
XE70 series thermostat 
T6372B1032 2-Pipe, Heat/Cool changeover 
T6373A1108 2-Pipe, Heating or Cooling only, on/off, 3-speed 
T6373A1116 2-Pipe, Heating or Cooling only, on/off, 3-speed 
T6373AC1108 2-Pipe, Heating or Cooling only, on/off, 3-speed 
T6373BC1130 2-Pipe, Heat/Cool changeover, on/off, 3-speed 
T6375B1153 4-Pipe, Heat/Cool manual changeover, 3-speed 
X42006616-001 T6373 KNOB 
X42007665-001 T6373 FRONT COVER
T6372B1032 2-Pipe, Heat/Cool changeover 
T6373A1108 2-Pipe, Heating or Cooling only, on/off, 3-speed 
T6373A1116 2-Pipe, Heating or Cooling only, on/off, 3-speed 
T6373AC1108 2-Pipe, Heating or Cooling only, on/off, 3-speed 
T6373BC1130 2-Pipe, Heat/Cool changeover, on/off, 3-speed 
T6375B1153 4-Pipe, Heat/Cool manual changeover, 3-speed 
X42006616-001 T6373 KNOB 
X42007665-001 T6373 FRONT COVER
HALO series thermostat 
T6800 系列 
T6800H2WN Halo Mars, 2-Pipe Horizontal 
T6800V2WN Halo Mars, 2-Pipe Vertical
T6800H2WN Halo Mars, 2-Pipe Horizontal 
T6800V2WN Halo Mars, 2-Pipe Vertical
T6800 系列 
T6861H2BB Halo Jupiter, 2/4-Pipe, Horizontal, blue backlit, bluering 
T6861H2GG Halo Jupiter, 2/4-Pipe, Horizontal, green backlit, greenring 
T6861H2WB Halo Jupiter, 2/4-Pipe, Horizontal, blue backlit, whitering 
T6861H2WG Halo Jupiter, 2/4-Pipe, Horizontal, green backlit, whitering 
T6861V2BB Halo Jupiter, 2/4-Pipe, Vertical, blue backlit, blue ring
T6861V2GG Halo Jupiter, 2/4-Pipe, Vertical, green backlit, greenring 
T6861V2WB Halo Jupiter, 2/4-Pipe, Vertical, blue backlit, whitering 
T6861V2WG Halo Jupiter, 2/4-Pipe, Vertical, green backlit, whitering
T6861H2BB Halo Jupiter, 2/4-Pipe, Horizontal, blue backlit, bluering 
T6861H2GG Halo Jupiter, 2/4-Pipe, Horizontal, green backlit, greenring 
T6861H2WB Halo Jupiter, 2/4-Pipe, Horizontal, blue backlit, whitering 
T6861H2WG Halo Jupiter, 2/4-Pipe, Horizontal, green backlit, whitering 
T6861V2BB Halo Jupiter, 2/4-Pipe, Vertical, blue backlit, blue ring
T6861V2GG Halo Jupiter, 2/4-Pipe, Vertical, green backlit, greenring 
T6861V2WB Halo Jupiter, 2/4-Pipe, Vertical, blue backlit, whitering 
T6861V2WG Halo Jupiter, 2/4-Pipe, Vertical, green backlit, whitering
T6862 系列 
T6862H2WB Halo Programe, Horizontal, blue backlit 
T6862H2WG Halo Programe, Horizontal, green backlit 
T6862V2WB Halo Programe, Vertical, blue backlit 
T6862V2WG Halo Programe, Vertical, green backlit
T6862H2WB Halo Programe, Horizontal, blue backlit 
T6862H2WG Halo Programe, Horizontal, green backlit 
T6862V2WB Halo Programe, Vertical, blue backlit 
T6862V2WG Halo Programe, Vertical, green backlit
T-Star Series Thermostat 
T7126A1007 三速，中文藍色背光LCD，2管制 
T7126A1049 中文藍色背光LCD，2管制，僅控閥門 
T7126A1064 三速，中文藍色背光LCD，2/4管制 
T7126B1005 三速，英文藍色背光LCD，2管制 
T7126B1021 三速，英文藍色背光LCD，2管制，僅控風機 
T7126B1047 英文藍色背光LCD，2管制，僅控閥門 
T7126B1062 三速，英文藍色背光LCD，2/4管制
T7126A1007 三速，中文藍色背光LCD，2管制 
T7126A1049 中文藍色背光LCD，2管制，僅控閥門 
T7126A1064 三速，中文藍色背光LCD，2/4管制 
T7126B1005 三速，英文藍色背光LCD，2管制 
T7126B1021 三速，英文藍色背光LCD，2管制，僅控風機 
T7126B1047 英文藍色背光LCD，2管制，僅控閥門 
T7126B1062 三速，英文藍色背光LCD，2/4管制