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We stock and service HVAC Industrial Automation equipment, replacement parts and related systems - both current and discontinued products.

Select from the search results below or call us at (212) 772- 6992 ext. 704 or email rfitzgerald@yorkscientific.com for help with your HVAC requirements.

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494 results found for "HVAC"
Sterling Hvac

Transformer

11J14R03246-018-Refurbished

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Sterling Hvac

Transformer

11J14R03246-013-Refurbished

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Sterling Hvac

Transformer

11J14R02832-007-Refurbished

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Sterling Hvac

Transformer 120vprim24vsec50va

11J14R03245-012-Refurbished

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Sterling Hvac

Transformer 50 Va 115/24v

11J14R03245-001-Refurbished

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Sterling Hvac

Transformer Prim115vsec24v40va

11J14R08435-001-Refurbished

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United Technologies

Transformer, Power, Hvac Air Conditioner Application

HT01BE233-Refurbished

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United Technologies

Transformer, Primary 120v, Secondary 24v, 60hz, For Carrier Hvac Equipment

HT01BC716-Refurbished

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Distech

Hvac Fan Control, Real Time Clock, 24 Vac, Din Rail Mount, Surface Mount

CDIB-300X-00-Refurbished

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United Technologies

Controller, Vvt Zone Ii, Hvac, Bacnet Communications, (3) Analog Inputs / (1) Binary Input, (1) Analog Output / (3) Binary Outputs, 24 Vac 50/60 Hz

OPN-VVTZC-02-Refurbished

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Nortec

Processor Board, Replacement, Gstc, Hvac

2544252-Refurbished

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United Technologies

Cxb Board, Hvac Spare Part, Pcb

30GT515219-Refurbished

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Distech

Connected System Server Controller, Lonworks Hvac Series, Programmable Interface, Bacnet Ip/modbus Rtu Functionality, 1 Rs-485 Port Connection, 2 Ethernet Port, 28 Max Points Supported, Din

CDIY-S1028-00-Refurbished

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Siemens

Universal Controller, Hvac, 24 Vac, 50/60 Hz, 1 Control Loop, 4 Universal Inputs, 2 Analog Outputs, 1 Digital Input, Ip20

RLU220-Refurbished

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Honeywell

Hvac Damper Actuator, Smart Vav Actuator, Excel 10, Variable Air Volume, 20-30 Vac, 6 Va, 50/60 Hz, 70 Lb-in Torque, 90 Deg Stroke, 90 Sec

W7751H2025-Refurbished

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Distech

Controller, Lonworks Series, Ecx-420, Hvac, General Purpose, Programmable, 32-122 F / 0-50 C, 12 Universal Input, Bacnet Ip, 1 Rs-485, 24 Vac

CDIX-420X-00-Refurbished

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United Technologies

Furnace Control Board, Circuit Board, For Carrier Hvac Equipment

HK36AA002-Refurbished

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Johnson Controls

Temperature Controller For Hvac Units 3a 230vac

TC-9102-0551-Refurbished

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Schneider Electric

Zone Controller, Hvac, Programmable, 24 Vac / 20-40 Vdc, Rs 232, Output / 6 Digital / 2 Analog

0-073-0009-2-Refurbished

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Johnson Controls

Temperature Controller For Hvac Units

TC-9102-1221-Refurbished

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Schneider Electric

Plc Controller, I/o Controller, For Hvac-r, Modbus, Ethernet, Modicon M172 Performance Blind, 28 Input/outputs, 0-10 Volts, 3 Amps, 4-20 Ma

TM172PBG28R-Refurbished

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United Technologies

Bacnet Hvac Controller, Open Vav Fan Terminal Controller, I-vu Vav Zone Ii Single Duct, Features Separable Actuator, Plug And Play Connectivity, Suggested Replacment For Opn-vavb1

OPN-VAVB1-02-Refurbished

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Johnson Controls

Communicating Ah Control Board, Official Oem Replacement Part For York Hvac Equipment, Communicating Kit

S1-331-02968-000-Refurbished

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Ingersoll Rand

Module, Communication Interface Module, Pcb, Hvac Module, Replaces Mod02046

MOD2046-Refurbished

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Siemens

Product Is Cancelled Since: 10/01/15, Control Unit, Sinamics G120, Cu230p-2 Hvac Uss/modbus Rtu/bacnet Ms/tp, 6 Di, 3 Do, 4 Ai, 2 Ao, 1 Motor Temperature Sensor

6SL3243-0BB30-1HA2-Refurbished

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Ingersoll Rand

Dual Relay Output Board, Pluggable Connectors, Hvac And Refrigeration Components, For Chiller Series Cgam/cxam Scroll Chiller/cvgf/cvhg Centrifugal Chiller

BRD04878-Refurbished

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Sanyo

Printed Circuit Board, Hvac Application, Quick Discharge, Box Dimensions: 9 X 4 X 1

CV6232010947-Refurbished

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United Technologies

Bacnet Hvac Controller, Open Vav Fan Terminal Controller, Suggested Replacement Is Opn-vavb3-02

OPN-VAVB3-Refurbished

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Johnson Controls

Vsd Logic Board, Pcb, Assembly Board, For Use With Hvac Systems

031-02507-002-Refurbished

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United Technologies

Enthalpy Sensor, Hvac Sensor, 21vdc, 4-20ma

HH57AC078-Refurbished

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United Technologies

Bacnet Hvac Controller, Vav Zone Ii Fan Terminal, Duct Controller, Suggested Replacement For Opn-vavb3

OPN-VAVB3-02-Refurbished

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Belimo

Service-tool, Rj12 Connection, 2x16 Characters, Lc Display W/ Backlighting, Mp/pp Communication, For Hvac Performance Devices, For Sharedlogic Systems (-op/-lp)

ZTH-2-Refurbished

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Distech

Hvac Fan Control, Ecb-103, 10 Io, 24 Vac, Din Rail Mount, Surface Mount

CDIB-103X-01-Refurbished

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Heatcraft

Controller / Beacon Ii Smart, Hvac, Refrigeration, 22-30 Vac

89704302-Refurbished

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Siemens

Control Unit, Sinamics G120, Cu230p-2 Hvac Uss/modbus Rtu/bacnet Ms/tp, 6 Digital Input, 3 Digital Output, 4 Analogue Input, 2 Analogue Output, 1 Motor Temperature Sensor Input, 2 Psu-out (1

6SL3243-0BB30-1HA3-Refurbished

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Schneider Electric

Zone Controller, Xenta 491, Hvac, Programmable, 0-10 V Output, 3 Va, 24 Vac

0-073-0301-0-Refurbished

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Schneider Electric

Zone Controller, Xenta 491, Hvac, Programmable, 0-10 V Output, 3 Va, 24 Vac

TAC XENTA 491-Refurbished

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Nortec

Ccontrol Board, Hvac, With Eprom C

1510052-Refurbished

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Gree

Main Control Board, Hvac Systems

301385711-Refurbished

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Johnson Controls

Ignition Control Board, Hvac

S1-031-09161-000-Refurbished

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Ingersoll Rand

Control, Hvac Part

CNT6197-Refurbished

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Ingersoll Rand

Control, Hvac Part

CNT4977-Refurbished

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Ingersoll Rand

Control, Hvac Part

CNT6672-Refurbished

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Ingersoll Rand

Control,hvac Part

CNT2670-Refurbished

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Daikin Industries

Pcb Control Board, Hvac System Management

2523376-Refurbished

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Siemens

Sinamics G120 Control Unit Cu230p-2 Hvac Integrated Uss / Modbus Rtu 6 Di, 3 Do, 4 Ai, 2 Ao 1 Motortemp.-sensor Input 2 Psu-out(10v_dc,_24v_dc) 1 Psu-in (24v Dc) Usb And Mmc Interface Protec

6SL3243-0BA30-1HA0-Refurbished

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Neptronic

Actuator, Hvac, 50 In-lb, 24 Vac / 30 Vdc, 6 Va, (same As Bbt1060a)

BT060-Refurbished

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Neptronic

Actuator, Hvac, 50 In-lb, 24 Vac / 30 Vdc, 6 Va, Replaced By Bt060

BBT1060A-Refurbished

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Asco

Base Mtl Ejt-05-hvacnarbdymuff

NSEGX005HSNSSDA-Refurbished

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Asco

Base Mtl Ejt-07-hvacmuff

NSEGX007HSHVSDA-Refurbished

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Asco

Base Mtl Ejt-10-hvacmuff

NSEGX010HSHVSDA-Refurbished

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