pressure switches
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![Water Heater Parts 100108909 Pressure Switch Air -2.05 Inch Water Column Normally Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/959441_medium.jpg?v=1720023937)
100108909 | Pressure Switch Air -2.05 Inch Water Column Normally Open | Water Heater Parts
Brand: Water Heater Parts
SKU: 100108909
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![Water Heater Parts 100109119 Pressure Switch Air -3.30 Inch Water Column Normally Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/959204_medium.jpg?v=1720023937)
100109119 | Pressure Switch Air -3.30 Inch Water Column Normally Open | Water Heater Parts
Brand: Water Heater Parts
SKU: 100109119
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![Raypak 007158F Pressure Switch Air Vent Normally Closed .40 Inch Water Column | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/1058704_7d5dc7ea-70b6-428a-8c7e-78c32e9c050f_medium.jpg?v=1720023855)
007158F | Pressure Switch Air Vent Normally Closed .40 Inch Water Column | Raypak
Brand: Raypak
SKU: 007158F
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![Midland Metal Mfg. 80332 2 1/2" 0-30psi 1/4" CBM, Pneumatics, Gauges, Dry Center Mount 2-1/2 Face 1/4 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/80332_03f20e31-e4ca-43aa-afb5-aae13d51389d_medium.jpg?v=1720016610)
80332 | 2 1 / 2" 0-30psi 1 / 4" CBM, Pneumatics, Gauges, Dry Center Mount 2-1 / 2 Face 1 / 4 | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 80332
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![Crandall Stats & Sensors TK-1721 Dual Setpoint, Single Output – 15 PSIG Main Reverse Acting, 25 PSIG Main Reverse Acting – Cover Legend Day/Night | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/TK-1721-CSS-A-300x300_6771d208-b552-48f0-9ac5-d30b288f97dc_medium.jpg?v=1721324886)
TK-1721 | Dual Setpoint, Single Output – 15 PSIG Main Reverse Acting, 25 PSIG Main Reverse Acting – Cover Legend Day / Night | Crandall Stats & Sensors
Brand: Crandall Stats & Sensors
SKU: TK-1721
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![Johnson Controls P72CA-2C DPST PRESSURE CONTROL; 50/450#; DIFF 60 TO 150# ADJ; 36" CAP WITH FLARE NUT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/P72CA-2C_c4491fe1-e67d-4958-8ba7-59932acc9909_medium.png?v=1719993561)
P72CA-2C | DPST PRESSURE CONTROL; 50 / 450#; DIFF 60 TO 150# ADJ; 36" CAP WITH FLARE NUT | Johnson Controls
Brand: Johnson Controls
SKU: P72CA-2C
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![Johnson Controls P72CG-1C DPST PRESSURE CONTROL; 12"/50 PSIG 15 DIFF. ADJ 5/35 PSI; | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/P72CG-1C_a3d05d59-ff01-4c47-b2d0-04e8bd6b0046_medium.png?v=1719993533)
P72CG-1C | DPST PRESSURE CONTROL; 12" / 50 PSIG 15 DIFF. ADJ 5 / 35 PSI; | Johnson Controls
Brand: Johnson Controls
SKU: P72CG-1C
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![Johnson Controls P70LA-2C SPST DUAL PRES CONTROL; FOR AMMONIA; 20"/100 PSIG LS 15 RANGE 100/425 PSIG HS; | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/P70LA-2C_35dbb18d-48ba-42c1-92bf-d7a888bf9c15_medium.png?v=1719993518)
P70LA-2C | SPST DUAL PRES CONTROL; FOR AMMONIA; 20" / 100 PSIG LS 15 RANGE 100 / 425 PSIG HS; | Johnson Controls
Brand: Johnson Controls
SKU: P70LA-2C
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![Johnson Controls P70EA-14C PRESSURE CONTROL; RANGE 12"/80# 36" CAP STYLE 13 BULB ADJ DIFF 5/35 PSI OPEN 15+/-1 PSIG | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/P70EA-14C_5f961d6c-3af5-439b-8bcc-fcc245f9e961_medium.png?v=1719993513)
P70EA-14C | PRESSURE CONTROL; RANGE 12" / 80# 36" CAP STYLE 13 BULB ADJ DIFF 5 / 35 PSI OPEN 15+ / -1 PSIG | Johnson Controls
Brand: Johnson Controls
SKU: P70EA-14C
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![Johnson Controls P70CA-3C SPST PRESSURE CONTROL; 50/450# 1/4"FLARE W/36" CAP | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/P70CA-3C_765f0947-8036-48d5-9fec-8d521f509357_medium.png?v=1719993509)
P70CA-3C | SPST PRESSURE CONTROL; 50 / 450# 1 / 4"FLARE W / 36" CAP | Johnson Controls
Brand: Johnson Controls
SKU: P70CA-3C
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![Johnson Controls P70CA-65C SPST PRESSURE CONTROL; 20"/100# DIFF 7/50# ADJ 36" CAP CONN 34 OPENS 72+/-1# CLOSE 64+/-1# | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/P70CA-65C_e45f9d51-83d4-44bf-9084-9c38069332e3_medium.png?v=1719993504)
P70CA-65C | SPST PRESSURE CONTROL; 20" / 100# DIFF 7 / 50# ADJ 36" CAP CONN 34 OPENS 72+ / -1# CLOSE 64+ / -1# | Johnson Controls
Brand: Johnson Controls
SKU: P70CA-65C
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![Johnson Controls P72CA-4C DPST PRESSURE CONTROL; 20"/100# DIFF 7/50# ADJ CONN 15 OPEN 60+/-2# CLOSE 40+/-2# | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/P72CA-4C_3b691750-1a7e-4f0e-8670-a230d4fdec5a_medium.png?v=1719993533)
P72CA-4C | DPST PRESSURE CONTROL; 20" / 100# DIFF 7 / 50# ADJ CONN 15 OPEN 60+ / -2# CLOSE 40+ / -2# | Johnson Controls
Brand: Johnson Controls
SKU: P72CA-4C
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![Johnson Controls P70DA-63C SPST PRESSURE CONTROL; 20"/100# DIFF 7# CONN 15 OPEN 35+/-1 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/P70DA-63C_8a2b1ed4-b13a-47d4-a053-7c1d9eb573d1_medium.png?v=1719993513)
P70DA-63C | SPST PRESSURE CONTROL; 20" / 100# DIFF 7# CONN 15 OPEN 35+ / -1 | Johnson Controls
Brand: Johnson Controls
SKU: P70DA-63C
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![Johnson Controls P20AA-259C PRESSURE CONTROL; P20 LOW PRESSURE RNAGE 150 PSI LOW CUT OUT 15+/-5PSI | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_jci1_63154cb3-0972-46a4-9fb4-42390ab26d40_medium.jpg?v=1719993504)
P20AA-259C | PRESSURE CONTROL; P20 LOW PRESSURE RNAGE 150 PSI LOW CUT OUT 15+ / -5PSI | Johnson Controls (OBSOLETE)
Brand: Johnson Controls
SKU: P20AA-259C
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![Johnson Controls P29NC-3C PRES CONTROL W/TIME DELAY; 20"/100# 60SEC.TIME DELAY 36" CAPILLARY | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/P29NC-3C_medium.png?v=1719993447)
P29NC-3C | PRES CONTROL W / TIME DELAY; 20" / 100# 60SEC.TIME DELAY 36" CAPILLARY | Johnson Controls
Brand: Johnson Controls
SKU: P29NC-3C
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![Johnson Controls P20GA-19C AIR COND PRESSURE CNTL; 100/425#;36" CAP; SPDT; 1HP;ENCL-OPEN; LOCKOUT HI | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_jci1_f51a71a0-e589-4ea1-a9fb-b9e17b7129a0_medium.jpg?v=1719993418)
P20GA-19C | AIR COND PRESSURE CNTL; 100 / 425#;36" CAP; SPDT; 1HP;ENCL-OPEN; LOCKOUT HI | Johnson Controls (OBSOLETE)
Brand: Johnson Controls
SKU: P20GA-19C
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![Johnson Controls P29NF-1C PRES CONTROL W/TIME DELAY; 20"/100#; 120 SEC TIME DELAY; 36" CAP; WITH ALARM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/P29NF-1C_medium.png?v=1720094532)
P29NF-1C | PRES CONTROL W / TIME DELAY; 20" / 100#; 120 SEC TIME DELAY; 36" CAP; WITH ALARM | Johnson Controls (OBSOLETE)
Brand: Johnson Controls
SKU: P29NF-1C
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![Johnson Controls P21CCB-5C LIMIT CONTROL; 7/150 PSI LS 13 B120 RANGE 100/450 PSI HS DIFF. 13 +/-7 PSI(AL)LS | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_jci1_684be60a-c3bd-4e46-8ec8-79e358f20db1_medium.jpg?v=1719993413)
P21CCB-5C | LIMIT CONTROL; 7 / 150 PSI LS 13 B120 RANGE 100 / 450 PSI HS DIFF. 13 + / -7 PSI(AL)LS | Johnson Controls (OBSOLETE)
Brand: Johnson Controls
SKU: P21CCB-5C
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![Johnson Controls P29NC-43C PRES CONTROL W/TIME DELAY; -70/700 KPA 5 DIFF. 15+/-10 KPA; MTG. BRKT. YES; VOLTAGE 120/240 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_jci1_175eb227-81b1-458d-b412-e8ffc69be70c_medium.jpg?v=1719993395)
P29NC-43C | PRES CONTROL W / TIME DELAY; -70 / 700 KPA 5 DIFF. 15+ / -10 KPA; MTG. BRKT. YES; VOLTAGE 120 / 240 | Johnson Controls (OBSOLETE)
Brand: Johnson Controls
SKU: P29NC-43C
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