Category Products

  • SKU: HN1016X
  • 3 in stock
  • Ships within 1 business day

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.

Online Price: $277.90
Regular Price: $325.66

  • SKU: HN1017
  • Obsolete

Honeywell 120 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.

This item is obsolete. It is shown for reference purposes only. Please call (877) 775-7705 for repair parts and replacements.

  • SKU: HN1017A
  • 7 in stock
  • Ships within 1 business day

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.

Online Price: $303.66
Regular Price: $355.85

  • SKU: HN1017B
  • 3 in stock
  • Ships within 1 business day

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.

Online Price: $298.90
Regular Price: $350.27

  • SKU: HN1017G
  • 2 in stock
  • Ships within 1 business day

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.

Online Price: $273.87
Regular Price: $320.94

  • SKU: HN1017H
  • 3 in stock
  • Ships within 1 business day

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.

Online Price: $292.88
Regular Price: $343.22

  • SKU: HN1020
  • 30 in stock
  • Ships within 1 business day

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.

Online Price: $206.86
Regular Price: $242.41

  • SKU: HN1020A
  • 17 in stock
  • Ships within 1 business day

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.

Online Price: $269.90
Regular Price: $316.29

  • SKU: HN1020B
  • 100+ in stock
  • Ships within 1 business day

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.

Online Price: $276.95
Regular Price: $324.55

  • SKU: HN1022
  • 41 in stock
  • Ships within 1 business day

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.

Online Price: $250.88
Regular Price: $294.00

  • SKU: HN2419D
  • 4 in stock
  • Ships within 1 business day

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.

Online Price: $199.98
Regular Price: $234.35

  • SKU: JC1138
  • 10 in stock
  • Ships within 1 business day

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.

Online Price: $202.23
Regular Price: $341.25

  • SKU: JC1139
  • 7 in stock
  • Ships within 1 business day

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.

Online Price: $290.06
Regular Price: $489.48

  • SKU: PY1410
  • 17 in stock
  • 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

Online Price: $171.56
Regular Price: $197.96

  • SKU: PY1412
  • Obsolete

Siemens (Powers) panel mounted, non-bleed relay positioning switch to increase or decrease the flow of compressed air to air operated equipment. This relay has a 0-15 psi output pressure range.

This item is obsolete. It is shown for reference purposes only. Please call (877) 775-7705 for repair parts and replacements.

  • SKU: PY1591C
  • 5 in stock
  • 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.

Online Price: $266.59
Regular Price: $307.60

  • SKU: PY1592
  • 2 in stock
  • Ships within 2 business days

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.

Online Price: $263.48
Regular Price: $304.02

  • SKU: MH1180
  • Obsolete

Flow switch 120 volt, 20 second time delay relay. Direct mounting on series FS4-3, AF2 and AF3. Remote mounting on main control panel or conduit box with series FS-1, FS6, FS7-4 and FS-8W. Permits intermittent switching of controlled equipment and eliminates false signals and rapid cycling from turbulence or fluctuations. Solid state with 10" lead wires.

This item is obsolete. It is shown for reference purposes only. Please call (877) 775-7705 for repair parts and replacements.

  • SKU: HN4480
  • 35 in stock
  • Ships within 1 business day

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.

Online Price: $81.20
Regular Price: $95.16

  • SKU: HN1016W
  • 2 in stock
  • Ships within 1 business day

Honeywell vertically mounted triple aquastat relay that features high limit protection, low limit and circulation control, a 10°F fixed high limit differential, a 10-25°F low limit differential, a 130-240°F high limit operating range, a 110-220°F low limit operating range, and a 0-95% RH operating humidity range. This relay has a 3" insertion well and 1-1/2" insulation.

Online Price: $275.26
Regular Price: $322.57

  • SKU: HN4585
  • 5 in stock
  • Ships within 1 business day

Honeywell 24 VAC, SPST, 30 amp compressor relay for use with DR90 and DR120 series compressors.

Online Price: $59.48
Regular Price: $69.71

  • SKU: HN4595
  • 7 in stock
  • Ships within 1 business day

Honeywell 24 VAC, DPST, 30 amp compressor relay for use with DR65 series compressors.

Online Price: $63.47
Regular Price: $74.38

  • SKU: DQ1345
  • Ships within 1 business day

Daikin-McQuay sold state, SPST relay.

Online Price: $75.19
Regular Price: $88.86

  • SKU: HN1042L
  • 27 in stock
  • Ships within 1 business day

Honeywell auxiliary switch (adjustable valve position) for V4055, V4062, or V9055 actuators.

Online Price: $67.58
Regular Price: $79.19

  • SKU: HN1042M
  • 12 in stock
  • Ships within 1 business day

Honeywell replacement pre-ignition interlock (proof-of-closure) switch for V4055D, V4055E, V4062D, or V9055 actuators.

Online Price: $60.44
Regular Price: $70.83

  • SKU: HN1117
  • 50+ in stock
  • Ships within 1 business day

Honeywell 120 volt, hydronic switching relay that provides intermediate switching of a line voltage device from a low voltage controller. This relay features an integral 24 volt transformer for switching two line voltage loads having a common power source.

Online Price: $102.52
Regular Price: $120.15

  • SKU: HN2298
  • 20 in stock
  • Ships within 1 business day

Honeywell pneumatic/electric switch to convert a pneumatic signal from a controller to an electrical switching action. This switch is surface mounted, has a 2-24 psi adjustable range, and is factory set to 10 psi.

Online Price: $79.43
Regular Price: $93.08

  • SKU: HN2300
  • 1 in stock
  • Ships within 1 business day

Honeywell pneumatic/electric switch to convert a pneumatic signal from a controller to an electrical switching action. This switch is panel mounted, has a 2-24 psi adjustable range, and is factory set to 10 psi. No case is included.

Online Price: $64.92
Regular Price: $76.08

  • SKU: HN2302
  • 11 in stock
  • Ships within 1 business day

Honeywell pneumatic/electric switch to convert a pneumatic signal from a controller to an electrical switching action. This switch is panel mounted, has a 2-17 psi adjustable range, and has no factory set psi. No case is included.

Online Price: $39.48
Regular Price: $46.27

  • SKU: HN2303
  • 4 in stock
  • Ships within 1 business day

Honeywell pneumatic/electric switch to convert a pneumatic signal from a controller to an electrical switching action. This switch is panel mounted, has a 2-17 psi adjustable range, and has no factory set psi. No case is included.

Online Price: $39.87
Regular Price: $46.72

  • SKU: HN2304
  • Ships within 1 business day

Honeywell pneumatic/electric switch to convert a pneumatic signal from a controller to an electrical switching of the start/stop action of fans. This switch has a 3-13 psi adjustable range.

Online Price: $335.24
Regular Price: $392.86

  • SKU: HN2319
  • 27 in stock
  • Ships within 1 business day

Honeywell 120 volt, surface mounted pneumatic/electric relay. This relay has an operating pressure of 50 psi and 1/4" barbed pneumatic connections. It is the standard model with a splice box. RP418 relays are solenoid valves which open and close the air supply to pneumatic controls.

Online Price: $76.71
Regular Price: $89.90

  • SKU: HN2320
  • 12 in stock
  • Ships within 1 business day

Honeywell 480 volt, surface mounted pneumatic/electric relay. This relay has an operating pressure of 50 psi and 1/4" barbed pneumatic connections. It is the standard model with a splice box. RP418 relays are solenoid valves which open and close the air supply to pneumatic controls.

Online Price: $79.42
Regular Price: $93.07

  • SKU: HN2321
  • 27 in stock
  • Ships within 1 business day

Honeywell 277 volt, surface mounted pneumatic/electric relay. This relay has an operating pressure of 50 psi and 1/4" barbed pneumatic connections. It is the standard model with a splice box. RP418 relays are solenoid valves which open and close the air supply to pneumatic controls.

Online Price: $96.04
Regular Price: $112.55

  • SKU: HN2322
  • 14 in stock
  • Ships within 1 business day

Honeywell 208 volt, surface mounted pneumatic/electric relay. This relay has an operating pressure of 50 psi and 1/4" barbed pneumatic connections. It is the standard model with a splice box. RP418 relays are solenoid valves which open and close the air supply to pneumatic controls.

Online Price: $75.95
Regular Price: $89.00

  • SKU: HN2323
  • 3 in stock
  • Ships within 1 business day

Honeywell 240 volt, surface mounted pneumatic/electric relay. This relay has an operating pressure of 50 psi and 1/4" barbed pneumatic connections. It is the standard model with a splice box. RP418 relays are solenoid valves which open and close the air supply to pneumatic controls.

Online Price: $98.87
Regular Price: $115.86

  • SKU: HN2400
  • 25 in stock
  • Ships within 1 business day

Honeywell 120 volt, surface mounted pneumatic/electric relay. This relay has an operating pressure of 50 psi and 1/4" barbed pneumatic connections. RP418 relays are solenoid valves which open and close the air supply to pneumatic controls.

Online Price: $53.60
Regular Price: $62.82

  • SKU: HN2404
  • 20 in stock
  • Ships within 1 business day

Honeywell pneumatic selector relay with mounting clip. This relay has an operating pressure of 0-18 psi and 5/32" barbed pneumatic connections.

Online Price: $44.96
Regular Price: $52.69

  • SKU: HN2406
  • 8 in stock
  • Ships within 1 business day

Honeywell pneumatic selector relay with mounting clip. This relay has an operating pressure of 0-18 psi and 5/32" barbed pneumatic connections.

Online Price: $39.10
Regular Price: $45.82

  • SKU: HN2407
  • 2 in stock
  • Ships within 1 business day

Honeywell pneumatic four-port snap action relay with mounting clip. This relay has an operating pressure of 3-13 psi and 5/32" barbed pneumatic connections.

Online Price: $68.28
Regular Price: $80.02

  • SKU: HN2409
  • 8 in stock
  • Ships within 1 business day

Honeywell pneumatic switching relay with mounting clip. This relay has a SPDT switching pressure of 0-18 psi and 5/32" barbed pneumatic connections.

Online Price: $62.62
Regular Price: $73.38

  • SKU: HN2410
  • 7 in stock
  • Ships within 1 business day

Honeywell pneumatic switching relay with mounting clip. This relay has a SPDT switching pressure of 13 and 17 psi and 5/32" barbed pneumatic connections.

Online Price: $64.40
Regular Price: $75.47

  • SKU: HN2413
  • 2 in stock
  • Ships within 1 business day

Honeywell pneumatic switching relay with mounting clip. This relay has a DPDT switching pressure of 3 and 7 psi and 5/32" barbed pneumatic connections.

Online Price: $145.83
Regular Price: $170.90

  • SKU: HN2414
  • 9 in stock
  • Ships within 1 business day

Honeywell pneumatic switching relay with mounting clip. This relay has a DPDT switching pressure of 13 and 17 psi and 5/32" barbed pneumatic connections.

Online Price: $144.34
Regular Price: $169.15

  • SKU: HN2417
  • 4 in stock
  • Ships within 1 business day

Honeywell pneumatic switching relay with mounting clip. This relay has a DPDT switching pressure of 18 and 22 psi and 5/32" barbed pneumatic connections.

Online Price: $130.43
Regular Price: $152.85

  • SKU: HN2418
  • 2 in stock
  • Ships within 1 business day

Honeywell pneumatic switching relay with mounting clip. This relay has a DPDT switching pressure of 20 and 25 psi and 5/32" barbed pneumatic connections.

Online Price: $140.86
Regular Price: $165.07

  • SKU: HN2452
  • Ships within 1 business day

Honeywell single input, direct acting proportional pneumatic controller, with remote control point adjustment capability. This relay is used with remote sensors to control temperature, humidity, pressure, or dew point in the system.

Online Price: $435.00
Regular Price: $486.95

  • SKU: HN2453
  • Ships within 1 business day

Honeywell single input, direct acting proportional pneumatic controller, with remote control point adjustment capability. This relay is used with remote sensors to control temperature, humidity, pressure, or dew point in the system.

Online Price: $413.80
Regular Price: $463.21

  • SKU: HN2454
  • 2 in stock
  • Ships within 1 business day

Honeywell single input, direct acting proportional pneumatic controller, with remote control point adjustment capability. This relay is used with remote sensors to control temperature, humidity, pressure, or dew point in the system.

Online Price: $501.30
Regular Price: $561.15

  • SKU: HN2456
  • 6 in stock
  • Ships within 1 business day

Honeywell four-port ratio relay with 3 psi input span for a 3-13 psi output range. This relay has a standard mounting clip and is used to control pneumatic valves or damper actuators from a thermostat.

Online Price: $93.38
Regular Price: $109.43

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