Relay Switches
Switches

Relay Switches

Literature, diagrams and more information for Relay Switches
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  1. Barber Colman 2353-502 - Pneumodular Diverting Relay
    List Price $760.42 $506.95 / each
    SKU: BB1620
    1 in stock Ships today if ordered by 3:00 PM CST
    Barber Colman (Schneider Electric) pneumodular diverting relay: 4 to 20 psig set point range, 3.0 ±0.1 psig differential, signal below set point: ports NO and C are connected, signal above set point: ports NC and C are connected. Learn More
    • Manufacturer : Barber Colman
    • Part Number : 2353-502
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    List Price $760.42 $506.95 / each
  2. Barber Colman AKR-40605 - Pneumatic Limiting Relay
    List Price $531.08 $354.06 / each
    SKU: BB1685
    3 in stock Ships today if ordered by 3:00 PM CST
    Barber Colman (Schneider Electric) relay with functions of: 1:1 direct acting, minimum or maximum output limiting (adjustable 0 to 20 psig), manual position switch, and lowest pressure selector. Learn More
    • Manufacturer : Barber Colman
    • Part Number : AKR-40605
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    List Price $531.08 $354.06 / each
  3. Honeywell L8124A1015 - 120V Triple Aquastat Relay
    List Price $697.05 $404.09 / each
    SKU: HN1016X
    2 in stock Ships today if ordered by 3:00 PM CST
    Honeywell 120 volt, triple aquastat relay, with a 3" insulation depth and 3" insertion depth, which provides pump control for hydronic heating system. L8124 aquastat relays provide high limit, low limit, and circulator control for maintaining boiler temperatures. Learn More
    • Manufacturer : Honeywell
    • Part Number : L8124A1015
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    List Price $697.05 $404.09 / each
  4. Honeywell L8124E1016 - 24V Triple Aquastat Relay
    List Price $761.65 $441.54 / each
    SKU: HN1017A
    2 in stock Ships today if ordered by 3:00 PM CST
    Honeywell 24 volt, triple aquastat relay, with a 1-1/2" immersion depth, which mounts vertically on the boiler. L8124 aquastat relays provide single-zone control for hydronic heating systems. Learn More
    • Manufacturer : Honeywell
    • Part Number : L8124E1016
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    List Price $761.65 $441.54 / each
  5. Honeywell L8124G1020 - 120V Triple Aquastat Relay
    List Price $749.73 $434.63 / each
    SKU: HN1017B
    2 in stock Ships today if ordered by 3:00 PM CST
    Honeywell 120 volt, triple aquastat relay, with no well, which mounts vertically on the boiler. L8124 aquastat relays provide single-zone control for hydronic heating systems. Learn More
    • Manufacturer : Honeywell
    • Part Number : L8124G1020
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    List Price $749.73 $434.63 / each
  6. Honeywell L8124C1003 - 120V Triple Aquastat Relay
    List Price $697.05 $404.09 / each
    SKU: HN1017G
    5 in stock Ships today if ordered by 3:00 PM CST
    Honeywell 120 volt, triple aquastat relay, with a 1-1/2" immersion depth less well, which mounts horizontally on the boiler. L8124 aquastat relays provide single-zone control for hydronic heating systems. Learn More
    • Manufacturer : Honeywell
    • Part Number : L8124C1003
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    List Price $697.05 $404.09 / each
  7. Honeywell L8124L1011 - 120V Triple Aquastat Relay
    List Price $734.60 $425.86 / each
    SKU: HN1017H
    1 in stock Ships today if ordered by 3:00 PM CST
    Honeywell 120 volt, triple aquastat relay, with no well, which mounts horizontally on the boiler. L8124 aquastat relays provide single-zone control for hydronic heating systems. Learn More
    • Manufacturer : Honeywell
    • Part Number : L8124L1011
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    List Price $734.60 $425.86 / each
  8. Honeywell L8148A1017 - 120V Electric Aquastat Relay
    List Price $518.83 $300.77 / each
    SKU: HN1020
    Ships within 1 business days
    Honeywell 120 volt, line voltage electric aquastat relay with a 140-240°F temperature range. This relay is an immersion type controller that combines high limit protection with switching relay control of the burner and circulator motor. Learn More
    • Manufacturer : Honeywell
    • Part Number : L8148A1017
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    List Price $518.83 $300.77 / each
  9. Honeywell L8148E1299 - 24V Line Voltage Aquastat Relay
    List Price $676.98 $392.45 / each
    SKU: HN1020A
    22 in stock Ships today if ordered by 3:00 PM CST
    Honeywell 24 volt, line voltage, vertically-mounted aquastat relay with a 140-240°F temperature range and a 4-1/2" capillary with well. This controller provides high limit protection with switching relay. Learn More
    • Manufacturer : Honeywell
    • Part Number : L8148E1299
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    List Price $676.98 $392.45 / each
  10. Honeywell L8148E1265 - 120V High Limit Aquastat Relay
    List Price $694.65 $402.70 / each
    SKU: HN1020B
    Ships within 1 business days
    Honeywell 120 volt, SPST high limit, vertically-mounted aquastat relay with a 180-240°F temperature range (fixed 15°F differential) and a 4-1/2" capillary with well. This aquastat features a vent damper. Learn More
    • Manufacturer : Honeywell
    • Part Number : L8148E1265
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    List Price $694.65 $402.70 / each
  11. Honeywell L8148J1009 - Millivolt/Low Voltage Aquastat Relay
    List Price $638.53 $370.16 / each
    SKU: HN1022
    24 in stock Ships today if ordered by 3:00 PM CST
    Honeywell millivolt or low voltage aquastat relay with a 120-240°F temperature range that can be mounted vertically or horizontally. This relay is an immersion type controller that combines high limit protection with switching relay control of the burner and circulator motor. Learn More
    • Manufacturer : Honeywell
    • Part Number : L8148J1009
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    List Price $638.53 $370.16 / each
  12. Honeywell RP913A1008 - Pneumatic 7-Port Load Analyzer Relay
    List Price $585.98 $339.70 / each
    SKU: HN2419D
    3 in stock Ships today if ordered by 3:00 PM CST
    Honeywell pneumatic, seven-input load analyzer relay. The RP913A is a diaphragm logic pressure selector that chooses the highest and lowest branch pressure input from thermostats to final control elements. Learn More
    • Manufacturer : Honeywell
    • Part Number : RP913A1008
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    List Price $585.98 $339.70 / each
  13. Johnson Controls R-2080-1 - Booster Relay
    List Price $543.68 $319.81 / each
    SKU: JC1138
    4 in stock Ships today if ordered by 3:00 PM CST
    Johnson Controls booster relay that operates as a pneumatic repeater and volume amplifier. The pilot signal received is repeated at its output at a 1:1 ratio. Learn More
    • Manufacturer : Johnson Controls
    • Part Number : R-2080-1
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    List Price $543.68 $319.81 / each
  14. Johnson Controls R-3030-1 - Reversing Relay
    List Price $780.13 $458.90 / each
    SKU: JC1139
    Ships within 1 business days
    Johnson Controls reversing relay that operates as a 1:1 pneumatic inverter, volume amplifier, and inverse sequencer. The relay changes the output of a controller from direct to reverse acting. Learn More
    • Manufacturer : Johnson Controls
    • Part Number : R-3030-1
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    List Price $780.13 $458.90 / each
  15. Siemens (Powers) 147-2000 - Pneumatic Positioning Relay
    List Price $294.30 $218.00 / each
    SKU: PY1410
    Ships within 2 business days
    Siemens (Powers) pneumatic positioning relay with mounting hardware designed to provide positive positioning of a pneumatic valve or damper actuator. This relay Learn More
    • Manufacturer : Siemens
    • Part Number : 147-2000
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    List Price $294.30 $218.00 / each
  16. Siemens (Powers) 243-0009 - Heavy-Duty Pneumatic Multi-Purpose Relay
    List Price $407.16 $284.73 / each
    SKU: PY1591C
    Ships within 2 business days
    Siemens (Powers) heavy-duty pneumatic multi-purpose relay designed to provide a variety of pneumatic control functions. This relay has 1/8" NPT air connections for air supply, output, and direct and reverse acting inputs. Learn More
    • Manufacturer : Siemens
    • Part Number : 243-0009
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    List Price $407.16 $284.73 / each
  17. Siemens (Powers) 243-0011 - Heavy-Duty Pneumatic Multi-Purpose Relay
    List Price $515.76 $382.05 / each
    SKU: PY1592
    1 in stock Ships today if ordered by 3:00 PM CST
    Siemens (Powers) heavy-duty pneumatic analog relay designed to obtain specialized control action within pneumatic control system. This relay has 1/8" NPT air connections for air supply, output, and direct and reverse acting inputs. Learn More
    • Manufacturer : Siemens
    • Part Number : 243-0011
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    List Price $515.76 $382.05 / each
  18. Honeywell RA89A1074 - Switching Relay w/Internal Transformer
    List Price $196.83 $114.11 / each
    SKU: HN4480
    8 in stock Ships today if ordered by 3:00 PM CST
    Honeywell relay that provides intermediate SPST switching of a line voltage device from a low voltage controller. An integral transformer provides low voltage power for control circuit. This relay has a maximum input of 5.0 W. Learn More
    • Manufacturer : Honeywell
    • Part Number : RA89A1074
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    List Price $196.83 $114.11 / each
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