air pressure switches
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![Belimo 01APS-50U Diff Air Pressure Switch 0.02..2 "wc | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PIC_AM_01APS-5.._01_4C-product_retina_1cacea0c-b4ef-4357-84be-f0f9865f89db_medium.jpg?v=1719983582)
01APS-50U | Diff Air Pressure Switch 0.02..2 "wc | Belimo
Brand: Belimo
SKU: 01APS-50U
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![Raypak 008171F Pressure Switch Blower Normally Open 1.10 Inch Water Column | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/1058574_medium.jpg?v=1717449065)
008171F | Pressure Switch Blower Normally Open 1.10 Inch Water Column | Raypak
Brand: Raypak
SKU: 008171F
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![Johnson Controls S-224-1 SWITCH; GRAD; 20PSI SPAN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/S-224-1_aef1841e-1f9b-4789-a259-d16b270e0676_medium.png?v=1719993633)
S-224-1 | SWITCH; GRAD; 20PSI SPAN | Johnson Controls
Brand: Johnson Controls
SKU: S-224-1
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![HONEYWELL INC Q607A1076/U Switch Auxiliary with Cover SPDT 120/240V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/98560_96f44d4d-6118-4773-8aca-b690f8f1fc0e_medium.jpg?v=1717079993)
Q607A1076 / U | Switch Auxiliary with Cover SPDT 120 / 240V | HONEYWELL INC
Brand: HONEYWELL INC
SKU: Q607A1076/U
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![Johnson Controls P233A-10-AAC Differential Pressure Switch, 1.4 Mbar to 10 Mbar Range, < 0.5 Mbar Differential, SPDT Contacts, No accessories included | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/p233_f95f9c4b-51dd-43cd-8b45-3e21d055e4ef_medium.png?v=1716385862)
P233A-10-AAC | Differential Pressure Switch, 1.4 Mbar to 10 Mbar Range, < 0.5 Mbar Differential, SPDT Contacts, No accessories included | Johnson Controls
Brand: Johnson Controls
SKU: P233A-10-AAC
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![Johnson Controls P233F-P3-AAC Differential Pressure Switch, 0.3 Mbar Fixed, No Differential, SPDT Contacts, No accessories included | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/p233_7b496231-98ae-4a27-9a86-e659f1f60309_medium.png?v=1716385860)
P233F-P3-AAC | Differential Pressure Switch, 0.3 Mbar Fixed, No Differential, SPDT Contacts, No accessories included | Johnson Controls
Brand: Johnson Controls
SKU: P233F-P3-AAC
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![Johnson Controls P233A-6-AAC Differential Pressure Switch, 0.5 Mbar to 6 Mbar Range, < 0.3 Mbar Differential, SPDT Contacts, No accessories included | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/p233_54d0d6bd-cbb8-4d88-8fc3-41bf0674f22e_medium.png?v=1716385860)
P233A-6-AAC | Differential Pressure Switch, 0.5 Mbar to 6 Mbar Range, < 0.3 Mbar Differential, SPDT Contacts, No accessories included | Johnson Controls
Brand: Johnson Controls
SKU: P233A-6-AAC
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![Johnson Controls P233A-4-PHC Differential Pressure Switch, 50 to 400 Pa Range, < 0.3 Mbar Differential, SPDT, Scale in Pa, GMT008N600R + BKT024N001R | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/p233_7713eb27-91b1-44ad-8465-36b57756dac2_medium.png?v=1716385861)
P233A-4-PHC | Differential Pressure Switch, 50 to 400 Pa Range, < 0.3 Mbar Differential, SPDT, Scale in Pa, GMT008N600R + BKT024N001R | Johnson Controls
Brand: Johnson Controls
SKU: P233A-4-PHC
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![Johnson Controls P233A-10-PAC Differential Pressure Switch, 140 to 1000 Pa Range, < 0.5 Mbar Differential, SPDT Contacts, No accessories included | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/p233_07c30148-bfbb-43dc-baeb-727aa5802858_medium.png?v=1716385862)
P233A-10-PAC | Differential Pressure Switch, 140 to 1000 Pa Range, < 0.5 Mbar Differential, SPDT Contacts, No accessories included | Johnson Controls
Brand: Johnson Controls
SKU: P233A-10-PAC
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![Johnson Controls P233A-4-AAC Differential Pressure Switch, 0.5 Mbar to 4 Mbar Range, < 0.3 Mbar Differential, SPDT, No accessories included | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/p233_416fd64f-fafe-47e9-b1f2-d06c8b4c78e4_medium.png?v=1716385861)
P233A-4-AAC | Differential Pressure Switch, 0.5 Mbar to 4 Mbar Range, < 0.3 Mbar Differential, SPDT, No accessories included | Johnson Controls
Brand: Johnson Controls
SKU: P233A-4-AAC
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![Honeywell CLEPAS2200/U AIR PRESSURE SWITCH 0.15 TO 12.0 IN. W.C., 0.037 TO 2.99 LPA | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/Honeywell-logo_c438b2ae-afc2-47a6-a064-140962f090af_medium.png?v=1709750331)
CLEPAS2200 / U | AIR PRESSURE SWITCH 0.15 TO 12.0 IN. W.C., 0.037 TO 2.99 LPA | Honeywell
Brand: Honeywell
SKU: CLEPAS2200/U
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![Honeywell CLEPAS2100/U AIR PRESSURE SWITCH 0.15 TO 2.0 IN. W.C., 0.037 TO 0.50 LPA | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/Honeywell-logo_795e0972-871e-4229-96a1-5de420d16ba7_medium.png?v=1709750331)
CLEPAS2100 / U | AIR PRESSURE SWITCH 0.15 TO 2.0 IN. W.C., 0.037 TO 0.50 LPA | Honeywell
Brand: Honeywell
SKU: CLEPAS2100/U
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![Dwyer 43000-300MM 43000-300MM CAPSU-PHOTOHELIC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_dwyer_3c499707-a0a4-4293-9cc1-a24dd4e584ee_medium.png?v=1712857908)
43000-300MM | 43000-300MM CAPSU-PHOTOHELIC | Dwyer (OBSOLETE)
Brand: Dwyer
SKU: 43000-300MM
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![Wika 52850586 A2G-10 0 in.WC...8 in.WC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A2G-10_6b9a3d9e-2867-4daf-a8c7-a0e784534b7d_medium.jpg?v=1712857401)
52850586 | A2G-10 0 in.WC...8 in.WC | Wika (OBSOLETE)
Brand: Wika
SKU: 52850586
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![Veris AFS-460-136 Pressure Swch,Man Reset,.4-12InWC,120VAC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/AFS-460-136_6bd6072a-487d-4997-9dd7-1fd83ecec9b7_medium.jpg?v=1689083806)
AFS-460-136 | Pressure Swch, Man Reset, .4-12InWC, 120VAC | Veris
Brand: Veris
SKU: AFS-460-136
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![York S1-02435270000 Pressure Switch Air 0.45 Inch Water Column On Fall Single Pole Normally Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/331147_480ee543-9ca0-4bbe-a597-a492a7b133ea_medium.jpg?v=1717079418)
S1-02435270000 | Pressure Switch Air 0.45 Inch Water Column On Fall Single Pole Normally Open | York
Brand: York
SKU: S1-02435270000
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![York S1-02435778000 Pressure Switch Air S1-02435778000 0.60" Water Column | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/407655_45dce876-dc12-443e-b585-57f3285bb764_medium.jpg?v=1717079396)
S1-02435778000 | Pressure Switch Air S1-02435778000 0.60" Water Column | York
Brand: York
SKU: S1-02435778000
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![Water Heater Parts 100094020 Pressure Switch Air 0.51 Inch Water Column Normally Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/959143_32363d4c-519c-4e60-9555-65864bff93c4_medium.jpg?v=1717449203)
100094020 | Pressure Switch Air 0.51 Inch Water Column Normally Open | Water Heater Parts
Brand: Water Heater Parts
SKU: 100094020
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![Honeywell CLEPAS2100 AIR PRESSURE SWITCH 0.15 TO 2.0 IN. W.C., 0.037 TO 0.50 LPA | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/Honeywell-logo_638e8538-3a9f-4e0b-b274-7a58b1509580_medium.png?v=1720000599)
CLEPAS2100 | AIR PRESSURE SWITCH 0.15 TO 2.0 IN. W.C., 0.037 TO 0.50 LPA | Honeywell
Brand: Honeywell
SKU: CLEPAS2100
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