Global one-stop procurement platform for industrial spare parts.
support01@okmarts.com service@okmarts.com hydraulic@okmarts.com
Okmarts.com Online Store, Refrigeration Compressor Price, O&Kmarts Logo
Max 200 characters
Display the website inEN
EN
translate to EN
EN
translate to ES
ES
translate to العربية
العربية
All
West
West
  • Temperature Controller
    Temperature Controller
HanYoung
HanYoung
  • Temperature Controller
    Temperature Controller
Taisee
Taisee
  • Temperature Controller
    Temperature Controller
EVCO
EVCO
  • Temperature Controller
    Temperature Controller
Eurotherm
Eurotherm
  • Temperature Controller
    Temperature Controller
  • Module
    Module
Carel
Carel
  • Expansion Valve
    Expansion Valve
  • Temperature Controller
    Temperature Controller
  • Expansion Valve Coil
    Expansion Valve Coil
  • Module
    Module
  • Sensor
    Sensor
All Brands
All Brands
    • a
    • b
    • c
    • d
    • e
    • f
    • g
    • h
    • i
    • j
    • k
    • l
    • m
    • n
    • o
    • p
    • q
    • r
    • s
    • t
    • u
    • v
    • w
    • x
    • y
    • z
    • 3
    • 7
      Top Picks
      • Fotek Temperature Controller NT-21LE
      1/1
      Fotek Temperature Controller NT-21LE
      $ 190 .38

      ✔ In Stock (Can ship in 5-7 days)

      Quantity
      MOQ : 2
      Payment Methods
      T/T pay VISA pay mastercard pay Diners Club pay Discover pay JCB pay American Express pay Stripe pay PayPal pay Google pay Apple pay Link pay venmo pay
      • Online Support 24/7

      • 12 Months Warranty for New Products

      • 30 Days Money Back Guarantee

      • Specifications
      • Q&A
      • Reviews
      Self-adaptive Fuzzy+PID Temperature Controller.

      Ask questions

      (0/1,200)

      Max 1200 characters

      • Q: Are there free trial or sample giveaway activities?

        A: We regularly organize free trials or sample giveaways. You can stay informed about these activities and apply to participate by following our official announcements, emails, or social media channels.

      • Q: What payment methods do you accept?

        A: We accept various payment methods, including major credit cards (Visa, Mastercard, American Express), debit cards, and digital payment platforms such as PayPal, Apple Pay, and Google Pay. The available payment methods will be displayed during the checkout process.

      • Q: Do you have a mobile app for easier shopping?

        A: We currently do not support it, but we have a Progressive Web App (PWA) and a well-adapted mobile version of our website. Additionally, we are in the process of developing a mobile application for iOS and Android devices. Our mobile app will provide a convenient and user-friendly shopping experience, including personalized recommendations, easy navigation, and order tracking features.

      View More
      Question has been sent successfully

      Reviews

      • G

        Gary Jones

        Jan 02, 2026

        Fotek Temperature Controller NT-21LE
        Waiting to try your product
        Helpful
        Unhelpful
      • M

        Michael

        Nov 09, 2024

        Fotek Temperature Controller NT-21LE
        I'm so happy I chose this product, it's just what I needed.
        Helpful
        Unhelpful
      • J

        Juan Lujan

        Dec 15, 2023

        Fotek Temperature Controller NT-21LE
        Easy as pie, parts ordering.
        Helpful
        Unhelpful
      • A

        Andrea McAdoo

        Jun 25, 2023

        Fotek Temperature Controller NT-21LE
        Had everything I needed in store.
        Helpful
        Unhelpful
      • A

        Anonymous user

        Nov 25, 2022

        Fotek Temperature Controller NT-21LE
        All was ok! No problems whatsoever.
        Helpful
        Unhelpful

      Fotek Temperature Controller NT-21LE

      $ 190 .38
      Click here to view shipping costs.

      ✔ In Stock (Can ship in 5-7 days)

      Quantity
      MOQ : 2
      Payment Methods
      T/T pay VISA pay mastercard pay Diners Club pay Discover pay JCB pay American Express pay Stripe pay PayPal pay Google pay Apple pay Link pay venmo pay
      • Online Support 24/7

      • 12 Months Warranty for New Products

      • 30 Days Money Back Guarantee

      People who bought this item also viewed

      New In stock for sale, Omega Temperature Controller CN32Pt-304

      Omega Temperature Controller CN32Pt-304

      US$809.23
      New In stock for sale, Trafag Transmitter 8202.76.2211

      Trafag Transmitter 8202.76.2211

      US$1076.54
      New In stock for sale, HANNA Conductivity Meter HI991301

      HANNA Conductivity Meter HI991301

      US$540.50
      New In stock for sale, Dwyer Pressure Gauge DPG-000

      Dwyer Pressure Gauge DPG-000

      US$784.62
      New In stock for sale, Toky Digital Display Controller DP4I-PRAA5

      Toky Digital Display Controller DP4I-PRAA5

      US$586.92

      Customers frequently viewed

      New In stock for sale, IWAYA DENKI Water Pump 25CJT0752

      IWAYA DENKI Water Pump 25CJT0752

      US$2307.69
      New In stock for sale, Panasonic Servo Motor MHMF022L1V2M

      Panasonic Servo Motor MHMF022L1V2M

      US$653.85
      New In stock for sale, Honeywell Solenoid Valve VE4025B1045

      Honeywell Solenoid Valve VE4025B1045

      US$334.62
      New In stock for sale, ROTEN Mechanical Seal 8E5K-22-X

      ROTEN Mechanical Seal 8E5K-22-X

      US$384.62
      New In stock for sale, SANDSUN Overload Pump VA08H-760

      SANDSUN Overload Pump VA08H-760

      US$1568.40
      New In stock for sale, GS Battery 6-QW-60(450)-(55D23L-KR)

      GS Battery 6-QW-60(450)-(55D23L-KR)

      US$646.15
      New In stock for sale, Rechi Compressor 44R273A

      Rechi Compressor 44R273A

      US$341.00
      New In stock for sale, Bosch Rexroth Linear Guideway Runner Block R165381920

      Bosch Rexroth Linear Guideway Runner Block R165381920

      US$107.69
      New In stock for sale, MINDMAN Air Cylinder MCQV2-11-40-200

      MINDMAN Air Cylinder MCQV2-11-40-200

      US$88.46
      New In stock for sale, Mitsubishi Compressor YB645WTG

      Mitsubishi Compressor YB645WTG

      US$549.00
      New In stock for sale, COSEL Power Supply PBA1500F-36-D28.5

      COSEL Power Supply PBA1500F-36-D28.5

      US$1760.81
      New In stock for sale, Fuji VFD Frequency Converter FRN18.5F1H-4C921

      Fuji VFD Frequency Converter FRN18.5F1H-4C921

      Contact Us
      New In stock for sale, Copeland Compressor ZX51KCE-TF7

      Copeland Compressor ZX51KCE-TF7

      Contact Us
      New In stock for sale, SAWANA Relay S3Y-4 DC24V 10S

      SAWANA Relay S3Y-4 DC24V 10S

      US$6.15
      New In stock for sale, Ealy Vane Pump 50T-17LLL-PA-6

      Ealy Vane Pump 50T-17LLL-PA-6

      Contact Us
      New In stock for sale, Copeland Compressor CR22K6E-PFV-960WB

      Copeland Compressor CR22K6E-PFV-960WB

      Contact Us
      New In stock for sale, JANUS Vane Pump 50T-23-F-L

      JANUS Vane Pump 50T-23-F-L

      US$807.69
      New In stock for sale, Autonics Rotary Encoder E40HB6-500-3-T-24

      Autonics Rotary Encoder E40HB6-500-3-T-24

      US$1153.85
      New In stock for sale, Omron VFD Frequency Converter 3G3XV-A4004-E

      Omron VFD Frequency Converter 3G3XV-A4004-E

      Contact Us
      New In stock for sale, NKK Switch KP02-15AN

      NKK Switch KP02-15AN

      US$11.15

      Recent related posts

      What are the protection devices of industrial chillers

      08/17/2020

      What are the protection devices of industrial chillers

      Due to the particularity of its own equipment and the complexity of the use environment, industrial chillers must be equipped with some protective devices to protect themselves when producing industrial chillers,

      Where will Computer Numerical Control Machines Go?

      07/30/2021

      Where will Computer Numerical Control Machines Go?

      At present, the development of Computer Numerical Control (CNC) machines with each passing day, characteristics of high-speed

      Piston refrigeration compressor classification

      06/14/2020

      Piston refrigeration compressor classification

      Piston refrigeration compressor classification? According to the refrigerant used, piston refrigeration compressors are divided into ammonia compressors and freon compressors. Ammonia compressors are mostly used as hosts in large and medium-sized refrige器2䀀ᅵ皥䖒皦즠Ʋ焬क़㲈Ʋ䌁皦ᮔDž༬皧然क़Ѐ呄ᠾ鹨់༹皧ࠄ00령ꐱ댁珵뛐珵Љ

      Oil pressure protection? High and low voltage protection? Thermal relay protection? Come and see if the automatic control appliance fails

      07/25/2020

      Oil pressure protection? High and low voltage protection? Thermal relay protection? Come and see if the automatic control appliance fails

      There are two types of failures in the automatic control of refrigeration devices: one is caused by the failure of the refrigeration system; the other is caused by automatic control, electrical component failure, and improper debugging.

      Low-pressure conveying oil-free screw air compressor

      09/06/2020

      Low-pressure conveying oil-free screw air compressor

      Application of low pressure conveying oil-free screw air compressor: Pneumatic conveying power: the power source for pneumatic conveying of powdered or granular materials such as flour, sugar, salt, grain, chemical particles, cement, coal powder, mineral powder, etc.

      Air Cooling System in Data Centers: Working Principle, Key Technologies, Pros and Cons, Application

      09/29/2025

      Air Cooling System in Data Centers: Working Principle, Key Technologies, Pros and Cons, Application

      With the rapid development of Internet technology, data centers are becoming larger and larger. In order to meet the growing data processing needs, the energy consumption of data centers is also increasing.

      How much do you know about air conditioning Remove the air-conditioning mystery layer by layer

      07/27/2020

      How much do you know about air conditioning Remove the air-conditioning mystery layer by layer

      The working principle of air conditioning supplements the fourth and fifth points:<br></br> Compressor<br></br>

      After the refrigerant leaked, Uncle New York  lit a cigarette, causing an explosion

      08/25/2020

      After the refrigerant leaked, Uncle New York lit a cigarette, causing an explosion

      On the 23rd, Mr. Zhu, who lives in New York, caused a big explosion when he lit his cigarette because of a flammable gas leak in his home. He instantly became a fire man.

      Basic knowledge of refrigeration compressors

      06/14/2020

      Basic knowledge of refrigeration compressors

      Compressor, a driven fluid machine that raises low-pressure gas to high-pressure gas. It is the heart of the refrigeration system. It sucks low-temperature and low-pressure refrigerant gas from the suction pipe, drives the piston to compress it through thﰸ2䀀ᅵ皥䖒皦즠Ʋ娼ི㲈Ʋ䌁皦隆ᮔDž༬皧婆ིЀ呄ᠾ鹨់༹皧ࠄ00븹먱댁珵理뛐珵Љ䕄ྦ￿￿뤂ᐱ變뚜珵ᴴᏩ呄ᠾ퍘ᒥ鹨់變ᩄꋔྦ瑉浥巠皱㙲皦抐皱巠皱੨皦柘皱ᅵ皥ب巠皱㙲皦忈皱੨皦柘皱즠Ʋǜ勁皦즠ƲبǜV /펔B䌁皦 ᮔDž'鱤džቜ먢䇨珵呈ᠾ뤂ᐱ⷇⬿먲僧ᐱ靖㥲ᐲ�僬㣢ᐲᠾ靖랖僧Վﯼ靖�僬㣢ᐲ臆S㥲ᐲᬄğﯼ戴ﯤ艏S練杴 ﯼ杴 㥲ᐲ

      What are the thermal state parameters of the refrigerant

      08/03/2020

      What are the thermal state parameters of the refrigerant

      The working fluid is constantly changing its thermal state. The physical quantity describing the thermal state of the working fluid is called the thermal state parameter of the working fluid, referred to as the state parameter.

      • Welcome to O&Kmarts

        Is there anything we can help?

        Email us
      • Feedback

      Join in

      Join in to enjoy exclusive discounts and give you greater discounts

      See More About O&Kmarts Member
      Sign up now

      Common Problem

      Payment Methods
      Shipping Guide
      Sales and Refund Policy
      FAQs

      About O&Kmarts

      About Us
      Membership

      Website Terms

      Privacy Policy
      Terms Of Use
      Bidding Agreement
      Review Rules

      Customer Service

      support01@okmarts.com
      service@okmarts.com
      hydraulic@okmarts.com
      +86-28-84166335
      GMT+08:00 Mon-Fri, 9:00 AM-7:00 PM
      Customer Feedback

      POPULAR PRODUCTS :

      West Temperature Controller Taisee Temperature Controller HanYong Temperature Controller Omega Temperature Controller Carel Temperature Controller Autonics Temperature Controller EVCO Temperature Controller Eurotherm Temperature Controller PXW4TAY1-1V000-A DC2500-CE-0A00-200-00000-E0-0 SAS908XWHB-7-DF1-N ALE-SD22-011 DN33Z9HR20 25CJT0752 MHMF022L1V2M VE4025B1045 8E5K-22-X VA08H-760 ad0812ms a70gl Bristol H24B24QABHC CKD AB41-03-5-DC24V contactor fuji sc n2 Copeland CRNQ-0500-TFD-551 Copeland CS20K6E-PFV-235 e40s6 1000 3 t 24 fuji sc 3n jiaxipera MG1080Y LH48YBDC Mitsubishi NN31YCAMT MSM022J1SX ODE 5578FV20-Z RH145VHLC sdr 120 24 Servo TUDC24Z4-413 sgdv 1r9d11a Tecumseh CAJ2446Z TFH5540E yaskawa sgdg 04gt

      Disclaimer: All brand names, model or type numbers or marks listed on the website are owned by their respective manufacturers. These terms are used for identification purposes only and are not intended to indicate affiliation with OEM companies. Product pictures shown on the website are for illustrative purposes only and the actual item may vary in design, specification, etc. Confirm at the time of purchase if you are unsure.

      © eCommerce. 2017-2026. All Rights Reserved
      © eCommerce. 2017-2026. All Rights Reserved
      Press and drag the mouse to start taking a screenshot