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Leak Detectors

SCHNAP offers a top-notch selection of leak detectors built for precision and reliability on the job. Whether you need smart Wi-Fi water leak detectors with phone alerts, professional-grade HVAC leak detection sprays, or advanced combustible gas and refrigerant leak detectors with ultra-sensitive sensors, our range covers it all. Designed to help you spot issues quickly and keep your projects running smoothly, these tools come from trusted brands with great trade discounts. 

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1 - 35 out of 37 result found
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Trade Discount 17%
Smart Wi-Fi Water Leak Detector | Phone Alerts | IFTTT Compatible | IP20 by Brilliant Lighting
22168/05
$64.20 $53.10
Smart Wi-Fi water leak detector with phone alerts and IFTTT compatibility—ideal for homes and offices. Built for easy setup, it prevents water damage with real-time notifications and automation capabilities.
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Trade Discount 17%
CRC HVAC LEAK DETECTOR PRO 510g
HVAC Leak Detector Pro 510g | Professional Use | Energy Efficient Each by Repelec
CRC1752429
$29.10 $24.10
HVAC leak detector with professional-grade formulation and energy efficiency—ideal for refrigeration and air conditioning systems. Built for HVAC professionals, ensuring system integrity and compliance with AS/NZS 4801 standards.
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Trade Discount 20%
HVAC COMBO KIT
HVAC Combo Kit | Includes FLU116, FLUTL175, FLUTPAK | Deluxe Carry Case Each by Fluke
FLU116/323
$1,478.50 $1,182.80
HVAC combo kit with FLU116, FLUTL175, and FLUTPAK—ideal for residential and commercial HVAC testing. Built for professionals, with a deluxe carry case for easy transport and storage.
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Trade Discount 17%
GAS LEAK DETECTION SPRAY (16)
Gas Leak Detection Spray | Visible Bubble Formation | Easy to Use | TRA211634 Each by Repelec
TRA211634
$14.10 $11.70
Gas leak detection spray with visible bubble formation—ideal for homes, workshops, and industrial settings. Built for safety, with easy application and no professional installation required.
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Trade Discount 10%
Non-Contact Infrared Thermometer | 32°C to 42.5°C Body Range | Large LCD Display & Memory | Hygienic Design by Majortech
Non-Contact Infrared Thermometer | 32°C to 42.5°C Body Range | Large LCD Display & Memory | Hygienic Design by Majortech
MT688
$176.00 $159.20
This non-contact infrared thermometer offers accurate body temperature readings from 32°C to 42.5°C, with a large backlit LCD display and memory for 32 measurements. Ideal for both infants and adults, it ensures hygienic temperature checks without direct contact, making it perfect for home and healthcare use.
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Trade Discount 10%
Thermal Imager 160 x 120 | 50Hz Frame Rate | Built-in Laser Distance Meter | 32X Digital Zoom by Majortech
Thermal Imager 160 x 120 | 50Hz Frame Rate | Built-in Laser Distance Meter | 32X Digital Zoom by Majortech
MTi50
$7,023.10 $6,351.30
Experience high-performance thermal imaging with the 160 x 120 thermal imager, featuring a 50Hz frame rate and built-in laser distance meter. Ideal for HVAC, automotive diagnostics, and food service monitoring, this device offers manual focus and a large 3.5-inch touch screen for easy operation.
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Trade Discount 10%
Hot Wire Thermo Anemometer | 0.3 to 90.0 km/h Range | Slim Telescopic Probe | Rapid Measurement by Majortech
Hot Wire Thermo Anemometer | 0.3 to 90.0 km/h Range | Slim Telescopic Probe | Rapid Measurement by Majortech
MT945
$614.30 $555.60
Hot wire thermo anemometer with a 0.3 to 90.0 km/h air velocity range and slim telescopic probe—ideal for HVAC system testing and balancing. Built for HVAC professionals, it offers rapid and precise airflow measurements in multiple units, enhancing indoor air quality.
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Trade Discount 10%
Combustible Gas Leak Detector | Gooseneck Probe & One-Handed Operation | Audible & Visual Indicators | MT982 by Majortech
Combustible Gas Leak Detector | Gooseneck Probe & One-Handed Operation | Audible & Visual Indicators | MT982 by Majortech
MT982
$260.10 $235.20
Detect gas leaks efficiently with this combustible gas leak detector featuring a gooseneck probe and one-handed operation. Ideal for industrial, HVAC, and safety inspections, it offers audible and visual indicators to pinpoint leak sources quickly.
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Trade Discount 10%
Refrigerant Leak Detector | Ultra-Sensitive Sensor | 16-Inch Probe | Audible Alarm by Majortech
Refrigerant Leak Detector | Ultra-Sensitive Sensor | 16-Inch Probe | Audible Alarm by Majortech
MT980
$492.60 $445.40
Refrigerant leak detector with an ultra-sensitive sensor and 16-inch gooseneck probe—ideal for HVAC systems and industrial refrigeration maintenance. Built for easy one-handed operation, it features a quick response time of less than 2 seconds and alarms at 10% LEL for all CFCs.
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Trade Discount 18%
Leak Repair Sealant 300G | Rubberised Coating | Paintable Finish | Flexible Protection by CW Brands
Leak Repair Sealant 300G | Rubberised Coating | Paintable Finish | Flexible Protection by CW Brands
6115G
$14.70 $12.10
GSA Leak Fix is a rubberised leak repair sealant, ideal for sealing cracks and small holes on roofs and gutters. With a paintable finish and flexible protection against moisture and rust, it's perfect for both professionals and skilled DIY users.
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Trade Discount 17%
Engine Oil Stop Leak 325ml | Stops Oil Leaks | Rejuvenates Seals | Safe for Emission Controls by CW Brands
Engine Oil Stop Leak 325ml | Stops Oil Leaks | Rejuvenates Seals | Safe for Emission Controls by CW Brands
50610
$21.00 $17.40
Engine oil stop leak with 325ml volume, designed to stop and prevent oil leaks while rejuvenating hardened seals and gaskets. Ideal for automotive maintenance, it’s safe for use in vehicles with catalytic converters and emission control systems, ensuring reduced oil loss and burning.
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Trade Discount 100%
Wireless Water Leak Detector | IP65 Rated | 1300m Range | 5-Year Battery Life | by Dicker Data
Wireless Water Leak Detector | IP65 Rated | 1300m Range | 5-Year Battery Life | by AJAX
30650.08.WH3
$103.70 Contact us for a price
The AJAX LEAKSPROTECT Wireless Water Leak Detector is designed for reliable indoor leak detection, featuring an impressive 1300m wireless range and IP65 protection. Ideal for both residential and commercial properties, it offers 24/7 monitoring and can be easily integrated with existing security systems for real-time alerts. With a battery life of up to 5 years, this detector ensures peace of mind against water damage.
Trade Discount 17%
Wireless Water Leak Detector HIKVISION AX PRO PDWL-E-WB | Waterproof Design | Remote Configuration | External Probe Included | by HIKVISION
Wireless Water Leak Detector HIKVISION AX PRO PDWL-E-WB | Waterproof Design | Remote Configuration | External Probe Included | by HIKVISION
DS-PDWL-E-WB
$110.00 $90.90
The Wireless Water Leak Detector HIKVISION AX PRO PDWL-E-WB is designed for effective leak detection in residential, commercial, and industrial settings. With a waterproof design and remote configuration via a mobile app, it ensures reliable monitoring. The included external probe enhances detection capabilities, making it an essential tool for preventing water damage and wastage.
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Trade Discount 17%
Non-Contact Voltage Tester Pen, 12-1000V AC with Infrared Thermometer
Non-Contact Voltage Tester Pen | 12-1000V AC | Infrared Thermometer | IP54 Rated | by Wattmaster
A-NCVT-4IR
$112.00 $92.50
The Non-Contact Voltage Tester Pen is designed for safe voltage detection from 12 to 1000V AC, making it ideal for HVAC professionals and electrical testing. With an integrated infrared thermometer ranging from -22° to 482° F, this tool features a backlit LCD display for easy reading and an IP54 rating for durability. Its compact design and lightweight build ensure easy portability, while the auto power-off feature conserves battery life for extended use.
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Trade Discount 18%
Filter Drier (Flare Solid Core)
Filter Drier (Flare Solid Core) | 100% Molecular Sieve | Anti-Corrosion Finish | Chrome Flare Connections | by Aspen Pumps
300-164
$27.90 $23.00
The Filter Drier (Flare Solid Core) is designed for refrigeration systems, featuring a solid core of 100% molecular sieve for superior moisture absorption and particle filtration. Ideal for air conditioning units using R-22, R-410A, R-404A, and R-134a refrigerants, this drier enhances system efficiency and longevity with its anti-corrosion powder coat finish and chrome flare connections.
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Trade Discount 17%
Filter Drier (Solder Solid Core)
Filter Drier (Solder Solid Core) | Superior Moisture Absorption | Membrane Filter Element | Anti-Corrosion Finish | by Aspen Pumps
301-306S
$43.30 $35.80
The Filter Drier (Solder Solid Core) is designed for refrigeration systems, featuring a solid core of 100% molecular sieve for superior moisture absorption and a membrane filter element that retains harmful particles. Ideal for air conditioning units using R-22, R-410A, R-404A, and R-134a refrigerants, this drier enhances system efficiency and extends service life with its durable anti-corrosion finish.
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Trade Discount 17%
Temprite high side float 3/8 FNPT x 1/4 FNPT
Temprite High Side Float 3/8 FNPT x 1/4 FNPT | 4480 kPa SWP | Coalescent Oil Separator Technology | by Aspen Pumps
308-3458717
$588.30 $486.00
The Temprite High Side Float 3/8 FNPT x 1/4 FNPT is designed for efficient oil level control in HVAC and refrigeration systems. With a safe working pressure of 4480 kPa and advanced coalescent oil separator technology, it ensures reliable performance even at low flow rates. Ideal for industrial applications, this float valve enhances system efficiency while minimizing environmental impact.
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Trade Discount 17%
Sight Glass Male Flare x Female Flare | High Flow Design | Corrosion-Resistant Metal Alloy | by Aspen Pumps
603-0606
$34.40 $28.40
The Sight Glass Male Flare x Female Flare is designed for efficient liquid monitoring in HVAC and refrigeration systems. With a high flow design and durable corrosion-resistant metal alloy construction, it ensures reliable performance in various liquid control applications. Ideal for professionals seeking to enhance system integrity and detect fluid contamination early.
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Trade Discount 17%
Reversing Valve | Compatible with R-410A | Safe Working Pressure 4200 kPa | Wide Operating Temperature Range | by Aspen Pumps
708-1214-35
$172.90 $142.80
The Reversing Valve is designed for HVAC systems using R-410A refrigerant, ensuring efficient heat pump operation and reducing energy consumption. With a safe working pressure of up to 4,200 kPa and a wide operating temperature range from -30°C to 130°C, this valve is certified by UL, VDE, and CQC for quality and safety, making it ideal for both commercial and residential applications.
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Trade Discount 17%
HVAC Vibration Eliminator 910-18 | High Grade Stainless Steel | Solid Copper Connectors | by Aspen Pumps
910-18
$86.50 $71.50
The HVAC Vibration Eliminator 910-18 is designed to effectively reduce vibration and noise in HVAC and liquid control systems. Manufactured with high-grade stainless steel and solid copper connectors, it ensures durability and reliable performance. Ideal for industrial and commercial fluid handling installations, this vibration isolator complies with ISO/AS 5149.2, CE, and UL standards, making it a trusted choice for professionals.
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Trade Discount 17%
1/4"fl x 1/4" O-Ring Quick Coupler | Brass Construction | Swivel Coupler with Safety Grooves | by Aspen Pumps
A33500
$26.90 $22.30
The 1/4"fl x 1/4" O-Ring Quick Coupler is designed for HVAC and refrigeration systems, featuring a durable brass body and a swivel coupler with double safety grooves. This reliable quick coupler prevents the spraying of leak detection dye and refrigerant, making it ideal for professional use in pre-charged line sets. Ensure secure connections and reduce environmental impact with this essential tool for HVAC technicians.
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Trade Discount 17%
Quest Leak Detector | High Sensitivity Refrigerant Detection | Visual & Audible Indication | by Aspen Pumps
LD3000
$728.00 $601.50
The Quest Leak Detector is designed for reliable refrigerant leak detection, featuring high sensitivity to common refrigerants and both visual and audible leak indications. Ideal for HVAC professionals and maintenance technicians, this compact and portable device ensures efficient monitoring of HVAC/R systems, helping to prevent ozone depletion and energy waste.
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Trade Discount 17%
Gloseal 2-in-1 UV Dye + Sealant | Ezject Injector Included | 2x 15ml Cartridges | by Aspen Pumps
SPEEZDSKCS
$416.10 $343.80
Gloseal 2-in-1 UV Dye + Sealant is designed for effective leak detection and sealing in HVAC and refrigeration systems. This kit includes an Ezject Injector and two 15ml cartridges, featuring a concentrated formula that fluoresces under UV light for pinpoint accuracy. Ideal for trained professionals, it offers improved stability and an eco-friendly formulation to minimize environmental impact.
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Trade Discount 17%
Gloseal 2-in-1 UV Dye + Sealant | 15ml Cartridge | Fluorescent Leak Detection | Eco-Friendly Formula | by Aspen Pumps
SPEEZDSCS
$82.50 $68.20
Gloseal 2-in-1 UV Dye + Sealant is designed for effective leak detection and sealing in HVAC and refrigeration systems. This 15ml cartridge features a UV fluorescent dye that fluoresces up to 10% brighter, ensuring quick identification of micro-leaks. With an extended shelf life of up to 5 years and an eco-friendly formulation, it's perfect for professionals seeking reliable solutions for preventative maintenance and leak sealing.
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Trade Discount 17%
Bleed Valve | UV Leak Detection | Enhanced Fluorescence | Improved Stability | by Aspen Pumps
BV50
$68.60 $56.70
The Bleed Valve is designed for HVAC and refrigeration systems, featuring UV leak detection capability with enhanced fluorescence for quicker and easier leak identification. Built for professionals, it offers improved stability in extreme temperatures and moisture, ensuring reliable performance in demanding environments.
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Trade Discount 17%
Gloseal 2-in-1 UV Dye + Sealant | 15ml One Shot Stick | Enhanced Fluorescence | Improved Stability | by Aspen Pumps
SPEGSDSCS
$82.50 $68.20
Gloseal 2-in-1 UV Dye + Sealant is designed for HVAC and refrigeration systems, providing enhanced leak detection with fluorescence up to 10% brighter. Ideal for trained professionals, this product offers improved stability and a shelf life of up to 5 years, making it a reliable choice for preventative maintenance and micro-leak sealing.
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Trade Discount 17%
ARGLO5 Residential System UV Dye Capsule | Fluoresces 10% Brighter | Eco-Friendly Formula | by Aspen Pumps
SPEGS1ECS
$36.70 $30.30
The ARGLO5 Residential System UV Dye Capsule is designed for effective leak detection in residential HVAC systems. With a unique formula that fluoresces up to 10% brighter, it ensures quicker identification of leaks, while its improved stability withstands extreme temperatures and moisture. Ideal for HVAC professionals, this eco-friendly dye helps prevent refrigerant loss and environmental harm.
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Trade Discount 17%
ARGLO5 Light Commercial UV Dye Capsule | Fluoresces 10% Brighter | Eco-Friendly Formula | by Aspen Pumps
SPEGS2ECS
$50.40 $41.60
ARGLO5 Light Commercial UV Dye Capsule is designed for effective leak detection in HVAC and refrigeration systems. With a fluorescence that is up to 10% brighter, it ensures quicker identification of refrigerant leaks. This eco-friendly formulation boasts an extended shelf life of up to 5 years, making it ideal for light commercial and large residential applications, while also minimizing environmental impact.
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Trade Discount 17%
ARGLO5 Commercial UV Dye Capsule | Fluoresces 10% Brighter | Eco-Friendly Formula | by Aspen Pumps
SPEGS3ECS
$73.00 $60.30
ARGLO5 Commercial UV Dye Capsule is designed for effective leak detection in commercial and light industrial refrigeration systems. With a fluorescence that is up to 10% brighter, it ensures quicker identification of leaks, while its eco-friendly formulation helps reduce refrigerant emissions. Ideal for HVAC technicians, this dye capsule boasts a shelf life of up to 5 years, making it a reliable choice for maintenance and repair.
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Trade Discount 17%
14.8ml Cool Seal Stick | Non-Polymer Oil-Soluble Formula | UV Leak Detection | by Aspen Pumps
CS3CS
$73.80 $61.00
The 14.8ml Cool Seal Stick is designed for HVAC professionals to seal micro leaks in condensers, evaporators, and hoses. Its non-polymer, oil-soluble formula is compatible with all popular refrigerants and fluoresces under UV light for quick leak detection. With an improved shelf life of up to 5 years, this product helps extend the life of older AC&R systems while reducing refrigeration emissions.
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Trade Discount 17%
ARGLO5 Universal Dye Injection Kit | 10% Brighter Fluorescence | 5-Year Shelf Life | Eco-Friendly | by Aspen Pumps
SPEEZ100ECS
$387.50 $320.10
The ARGLO5 Universal Dye Injection Kit is designed for effective leak detection in HVAC and refrigeration systems, featuring fluorescence that is up to 10% brighter than standard dyes. With an extended shelf life of up to 5 years and stability under extreme conditions, this eco-friendly kit is perfect for professionals seeking reliable performance in automotive and industrial applications.
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Trade Discount 17%
EasySeal Direct Inject for HVAC Systems | 7kW to 35kW | Prevents Corrosion & Scale | by Aspen Pumps
4050-08
$221.50 $183.00
The EasySeal Direct Inject is designed for HVAC systems ranging from 7kW to 35kW, utilizing a direct injection method for effective chemical treatment. This innovative solution helps prevent corrosion and scale build-up in condensate drainage, ensuring optimal system performance. Ideal for both commercial and residential applications, it reduces chemical waste while maintaining energy efficiency.
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Trade Discount 17%
PHASE III ACID TEST KIT | Color Change Indicator | Portable Design | by Aspen Pumps
4320-W8
$86.00 $71.10
The PHASE III ACID TEST KIT is essential for HVAC professionals, designed to test acid levels in refrigeration oils like POEs and mineral oils. Featuring a simple color change indicator for acid presence and a compact, portable design, this disposable kit ensures accurate field testing without the need for installation. Ideal for maintaining system efficiency and preventing environmental damage.
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Trade Discount 17%
3.78Ltr CAL-BLUE Bubble Leak Detector | High Viscosity Formula | Freeze Protection to 5°F | NSF Registered | by Aspen Pumps
4182-08
$141.60 $117.00
The 3.78Ltr CAL-BLUE Bubble Leak Detector is designed for effective gas leak detection in HVAC and refrigeration systems. With a high viscosity formula that ensures extended surface contact and freeze protection down to 5°F, this non-corrosive solution is perfect for professionals conducting maintenance and safety inspections. Its non-aerosol pressurized container allows for easy application at any angle, making it a reliable choice for industrial and commercial use.
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Trade Discount 17%
946ml CAL-BLUE Bubble Leak Detector Spray | Non-Flammable | Safe on Metals & Plastics | Quick Visual Detection | by Aspen Pumps
4182-24
$47.80 $39.50
The 946ml CAL-BLUE Bubble Leak Detector Spray is designed for effective leak detection in HVAC and refrigeration systems. Featuring a blue bubble formula, it provides quick and reliable visual identification of leaks while being safe for use on all metals and plastics. Ideal for HVAC professionals, this non-flammable and non-corrosive spray helps maintain system efficiency by detecting leaks early.
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