AD9833DDS signal generator sine wave. Square wave. Triangle wave signal

Wifi color touch screen boiler thermostat support english/german/polish/czech/italian/spainish control by android ios phones

Fe413s hermetic filter driers protect refrigeration and air-conditioning systems from moisture, acids, and solid particles

Water solenoid valve with rc1/4" connections are used as control valve of fcu and ahu in water chiller air condtioner systems

Large lcd tfaey-307yl remote control thermostat ac220v with backlight for havc fan coil and motorized valve

Free shipping>original al1916w driver board ilif-037 490781300200r motherboard package good measure-original 100% tested workin

Free shipping hailin central air conditioning thermostat large lcd digital display hl108fcv2 for 4 pipe fan coil unit

7mbr75u4b120-50

Voltage protector relay with lcd display shows voltage and fault information is with 45hz~65hz & 1% high measurement accurancy

12rt (r410a) cooling capacity expansion valve(tev, tvx, tx valves) with odf connection is used in cold and warm air conditioner

4.2kw r290 tev/txv/tx does not vary the temperature inside the evaporator as its name may suggest in refrigeration systems

(qcw) drsstc quasi-continuous wave tesla coil controller sword-shaped arc generator

Automobile oil separator is special design for transport refrigeration to protect swash/wobble compressor to make oil return

Zhra2(s) motor protector with 5 types of functions includes over&under load, phase failure, asymmetry, test and reset button

Brass anode chlorine-free 4.33"x0.98" replacement for solar pool purifier

5m air conditioner pipes hose fittings pair coil tube insulated copper pipe 1/4'' 3/8'' add fluoride refrigerant tube

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1.75hp r404a interchangeable tvx matches secop gs26mlx, gs34clx, sc18/18cl and maneurop mtz018, mtz022coolant compressors

100mm proportional air valve with 16nm drive, intelligent air damper acutoator with 5 position controller 220 v switch 60s

Wifi color touch screen thermostat for water heating/boiler with english//polish/german/italian/spain by android ios phone

4.7l accumulator with 35mm odf connection tube is installed in heat pump, air conditioning and freezers to protect compressors

Ydk-40-6 air conditioner external asynchronous motor 6mm screw shaft 220v air conditioner blower motor air conditioning parts

Small size, lightness and high degree of protection cartridge pressure control is great choice for r410a unit pressure protector

100mm stainless steel air damper valve round adjustable air volume regulating damper electric three position valve damper 220v

Piston check valve with built-in damping piston that makes the valve suitable for installtion in line where pulsation can occur

15*300cm universal exhaust hose tube for portable air conditioners vent hose part

Dc 12v 120w peltier air conditioner semiconductor thermoelectric cooler peltier refrigeration water cooling device

Skiip31nab065t12 skiip24nab063t12 new module skiip 31nab065t12 24nab063t12

Wifi color touch screen thermostat for fan coil with english/german/polish/czech/italian/spainish control by android ios phone

5hp flash evaporator (liquid reciever) with 1st and 2nd expansion valves keeps compressor work in reasonable compressing ratio

1kw r290 tev feeds enough liquid refrigerant to the evaporator so that the superheat will be kept at resonable setting range

Excellent quality pipe swaging punch mould repare tube round or correct tube shape

4.5mpa high quality 0.18m3/h solenoid valve is great choice for capacity regulator in constant speed compressor water chiller

4.7l accumulator with 1-1/8" solder connection is installed in lbp refrigeration system where a sudden surge of liquid down

60 to 70hp hmbp r404a tev avoids any risk of breakage of the compressor due to compression of the liquid in refrigeration units

0.8m3/h normal close solenoid valve is great choice to switch on/off liquid pipelines in chillers or refrigerated cabinets

10 meter air conditioner pair coil tube 1/4'' 3/8'' insulate copper aluminum pipe split line wire home air conditioner parts

3/8" check valve with solder connection for bus air conditioner and refrigeration truck replace sporlan check valve

40w refrigerator motor fan shaded pole asynchronous freezer fridge cooling fan motor for refrigerator parts ventilation fan

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Wifi color touch screen thermostat for electrlc heating 16a with english/russian/polish/germa/italian/spain by android ios phone

Good quality pipe expander- manual swaging punch tools for copper solder

1-1/8" single way valve uses magnetic attraction to return the valve plate to its seat rather than spring pressure

Elevator blue test tool gaa21750ak3 (omnipotent version); blue service tool for otis xizi otis

Hot sale 1pcs diy 120w tec peltier semiconductor refrigerator water-cooling air condition movement for refrigeration and fan

1.9m3/h normal close solenoid valve is great choice to switch on/off evi or liquid pipelines by compressor discharge temperature

7.5tr r22 servicing thermostatic expansion valves are erroneously considered by some to be throttle device of 7.5hp freezers

3/8" liquid line filter dryers remove water from a refrigeration system and improper handling of polyolester (poe) lubricants

Oil, water and other liquids indicators widely used in compressors, central air conditioning, gear, transformers, liquid storage

Hot sale 240w 12v semiconductor refrigeration diy water cooling cooled device air conditioner movement for refrigeration and c

Wifi module establish communication between rs485 on the pcb board and mobile phone by dowloading app, easy operation

1/2hp+ r404a thermal expansion valves is low costs and high performance throttle device for mobile freezers or chillers

Rt-13 expansion valve is used in the systems of higher capacities while the capillary tube is used in the small domestic systems

Dn15 manual presetting valves (static balance valve) is balancing flow in heating, cooling and domestic hot water systems.

14tr r22 tev matches 12 to 15hp compressors used in heat pump water heater and air onditioners or other applications

4-way reverse solenoid valves is suitable for kinds of heat pump air conditioners, such as vrv or vrf air conditioner system

3.5 chimei screen/lq035nc111/star seeker screen/game player screen/xhd-035

6-bit glow clock motherboard core board control board remote control universal in12 in14 in18 qs30-1

Good for air conditioning computer motherboard 210900001at ar0501002 ac021a7 ac021a9.rgc.130123 ac02174.rgc.150311 002600fh

Wifi touch thermostat for water heating/radiator valve by english/german/polish/german/italian/spainish control by smart phone

Ydk31-6 single phase asynchronous motor for air conditioner outdoor vetilation

7mbr35vm120-50 7mbr50vm120-50 7mbr25u4p120-50 new

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Fe-419s hermetic burn-out filter drier protects the new compressor against premature failure, nice refrigeration system cleaner

4.2kw r410a txv matches 11 to 15cc hmbp coolant compressors in close control and industrial process cooling applications

Oil separator uses the centrifugal force in order to separate refrigerants with different densities

2pcs adjustable window slide plate durable exhaust hose telescopic sealing tube connector kit for portable air conditioner

15*300cm universal exhaust hose tube for portable air conditioners vent hose part

2hp flash evaporator with eev & driver provides perfec throttle solution and vapor injection for heat pump in low ambient temp.

3 years warranty elevator blue test tool gaa21750ak3 (omnipotent version); blue service tool otis xizi otis free shipping

3.5l accumulator with 7/8" inlet & outlet is great choice for heat pump water heater and matches 4~7hpcompressor, such as zr48

16nm air damper drive, intelligent air damper acutoator with 5 position controller 220 v switch 60s

Micro differential pressure flow switches installed in hvac/r equipments for protecting heat exchanger against ice blocking

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42kw r410a thermo expansion valve is commonly used in packaged air conditioners, central air conditioners and many other systems

1.4kw r290 tev prevents the flooding of the refrigerant to the compressor ensuring that the plant would run safely in heat pumps

R410 refrigerator parts dosing tube adapter screw connector 5/16 female to 1/4 male