![J21K-S140B-1537-M278-M406-M444-M550](https://www.yodify.com/cdn-cgi/image/width=125,quality=100,fit=scale-down,format=auto/https://images.yodify.com/productimages/United Electric Controls Ltd./J21K-Series-Type-J21K-s-S127B-to-16021-Differential-PS/Thumbs/400_main_UE_Type_J21K_Models_S127B,_S140B,_S150B_and_16021_Differential_Pressure_Switch.png)
J21K-S140B-1537-M278-M406-M444-M550
J21K Series Type J21K Models S127B to 16021 Differential Pressure Switch
United Electric
$99.00
CAD
25+ In Stock
![J21K-S140B-M278-M406-M444-M900](https://www.yodify.com/cdn-cgi/image/width=125,quality=100,fit=scale-down,format=auto/https://images.yodify.com/productimages/United Electric Controls Ltd./J21K-Series-Type-J21K-s-S127B-to-16021-Differential-PS/Thumbs/400_main_UE_Type_J21K_Models_S127B,_S140B,_S150B_and_16021_Differential_Pressure_Switch.png)
J21K-S140B-M278-M406-M444-M900
J21K Series Type J21K Models S127B to 16021 Differential Pressure Switch
United Electric
$2,246.00
CAD
10 In Stock
![J21K-S140B-M278-M406-M446](https://www.yodify.com/cdn-cgi/image/width=125,quality=100,fit=scale-down,format=auto/https://images.yodify.com/productimages/United Electric Controls Ltd./J21K-Series-Type-J21K-s-S127B-to-16021-Differential-PS/Thumbs/400_main_UE_Type_J21K_Models_S127B,_S140B,_S150B_and_16021_Differential_Pressure_Switch.png)
J21K-S140B-M278-M406-M446
J21K Series Type J21K Models S127B to 16021 Differential Pressure Switch
United Electric
$2,540.00
CAD
100+ In Stock
![J21K-S140B-M278-M406-M444-M550](https://www.yodify.com/cdn-cgi/image/width=125,quality=100,fit=scale-down,format=auto/https://images.yodify.com/productimages/United Electric Controls Ltd./J21K-Series-Type-J21K-s-S127B-to-16021-Differential-PS/Thumbs/400_main_UE_Type_J21K_Models_S127B,_S140B,_S150B_and_16021_Differential_Pressure_Switch.png)
J21K-S140B-M278-M406-M444-M550
J21K Series Type J21K Models S127B to 16021 Differential Pressure Switch
United Electric
$2,287.00
CAD
50+ In Stock
![J21K-S140B-1535-M201-M278-M406-M444](https://www.yodify.com/cdn-cgi/image/width=125,quality=100,fit=scale-down,format=auto/https://images.yodify.com/productimages/United Electric Controls Ltd./J21K-Series-Type-J21K-s-S127B-to-16021-Differential-PS/Thumbs/400_main_UE_Type_J21K_Models_S127B,_S140B,_S150B_and_16021_Differential_Pressure_Switch.png)
J21K-S140B-1535-M201-M278-M406-M444
J21K Series Type J21K Models S127B to 16021 Differential Pressure Switch
United Electric
$2,148.00
CAD
25+ In Stock
![J21K-S140B-0140-M201-M278-M406-M444](https://www.yodify.com/cdn-cgi/image/width=125,quality=100,fit=scale-down,format=auto/https://images.yodify.com/productimages/United Electric Controls Ltd./J21K-Series-Type-J21K-s-S127B-to-16021-Differential-PS/Thumbs/400_main_UE_Type_J21K_Models_S127B,_S140B,_S150B_and_16021_Differential_Pressure_Switch.png)
J21K-S140B-0140-M201-M278-M406-M444
J21K Series Type J21K Models S127B to 16021 Differential Pressure Switch
United Electric
$56.00
CAD
50+ In Stock
![J21K-S140B-M201-M278-M406-M444-M900](https://www.yodify.com/cdn-cgi/image/width=125,quality=100,fit=scale-down,format=auto/https://images.yodify.com/productimages/United Electric Controls Ltd./J21K-Series-Type-J21K-s-S127B-to-16021-Differential-PS/Thumbs/400_main_UE_Type_J21K_Models_S127B,_S140B,_S150B_and_16021_Differential_Pressure_Switch.png)
J21K-S140B-M201-M278-M406-M444-M900
J21K Series Type J21K Models S127B to 16021 Differential Pressure Switch
United Electric
$1,391.00
CAD
50+ In Stock
![J21K-S140B-M278-M406](https://www.yodify.com/cdn-cgi/image/width=125,quality=100,fit=scale-down,format=auto/https://images.yodify.com/productimages/United Electric Controls Ltd./J21K-Series-Type-J21K-s-S127B-to-16021-Differential-PS/Thumbs/400_main_UE_Type_J21K_Models_S127B,_S140B,_S150B_and_16021_Differential_Pressure_Switch.png)
J21K-S140B-M278-M406
J21K Series Type J21K Models S127B to 16021 Differential Pressure Switch
United Electric
$2,050.00
CAD
100+ In Stock