Gas, HVAC & Plumbing Accessories

  1. GMI 66112 Sample Line Extender
    GMI logo
    GMI 66112 Sample Line Extender
    (no reviews)
    £2.74 £2.28
    • Easy to install and remove
    • Male and a female ends
    • Suitable for the GMI PS200 and PS500 series
    2 Reward Points
    Price Match Guarantee
    GMI-66112
  2. GMI 66111 Tubing Adaptor
    GMI logo
    GMI 66111 Tubing Adaptor
    (no reviews)
    £3.22 £2.68
    • Compatible with both reactive and non-reactive gases
    • Connect 1/8" to 3/16" sample line together
    • Suitable for the GMI PS500 portable gas detector
    2 Reward Points
    Price Match Guarantee
    GMI-66111
  3. GMI 12451 Hex Driver for Base Screws
    GMI logo
    GMI 12451 Hex Driver for Base Screws
    (no reviews)
    £10.98 £9.15
    • Used for the base screws
    • Hex Driver
    • Suitable for the GMI Gasurveyor 700 Series
    9 Reward Points
    Price Match Guarantee
    GMI-12451
  4. GMI 10077 Cotton Filters (Box / 10)
    GMI logo
    GMI 10077 Cotton Filters (Box / 10)
    (no reviews)
    £11.92 £9.93
    • Simple and easy to replace
    • Box of 10 filters
    • Suitable for GMI Gascoseeker instruments
    9 Reward Points
    Price Match Guarantee
    GMI-10077
  5. GMI 12712 Tubing (Price per Metre)
    GMI logo
    GMI 12712 Tubing (Price per Metre)
    (no reviews)
    £12.53 £10.44
    • Flexible tubing
    • Sample gas from different sources
    • Suitable for the GMI gas detection instruments
    10 Reward Points
    Price Match Guarantee
    GMI-12712
  6. GMI 12394 28cm Flexible Probe Open End GSK2 (Leak Tracing)
    GMI logo
    GMI 12394 28cm Flexible Probe Open End GSK2 (Leak Tracing)
    (no reviews)
    £16.99 £14.16
    • Durable plastic
    • Gas escape and leak source tracing
    • Suitable for the GMI Gascoseeker 2-500
    14 Reward Points
    Price Match Guarantee
    GMI-12394
  7. GMI 12358 Hydrophobic Filter
    GMI logo
    GMI 12358 Hydrophobic Filter
    (no reviews)
    £22.62 £18.85
    • Fitted with an o-ring
    • Simple and easy to replace
    • Suitable for GMI Gascoseeker & Shipsurveyor
    18 Reward Points
    Price Match Guarantee
    GMI-12358
  8. GMI 64303OG Rubber Boot (Orange)
    GMI logo
    GMI 64303OG Rubber Boot (Orange)
    (no reviews)
    £34.16 £28.47
    • Easy to install and remove
    • Identify and locate your device
    • Suitable for the GMI PS200 portable gas detector
    28 Reward Points
    Price Match Guarantee
    GMI-64303OG
  9. GMI 12290 Aspirator Bulb Assembly
    GMI logo
    GMI 12290 Aspirator Bulb Assembly
    (no reviews)
    £45.85 £38.21
    • Prevent water from being drawn through the flow
    • Integral part of the instrument's flow path
    • Suitable for GMI Gascoseeker MK2 & Gasurveyor
    38 Reward Points
    Price Match Guarantee
    GMI-12290
  10. GMI 12393 80cm Plastic Probe Solid Eng GSK2
    GMI logo
    GMI 12393 80cm Plastic Probe Solid Eng GSK2
    (no reviews)
    £52.44 £43.70
    • Durable plastic
    • Solid end to minimise water and dust ingress
    • Sampling probe tube
    43 Reward Points
    Price Match Guarantee
    GMI-12393
  11. GMI 12395 Probe Handle Complete with Sample Line & Filters
    GMI logo
    GMI 12395 Probe Handle Complete with Sample Line & Filters
    (no reviews)
    £57.80 £48.17
    • Complete with sample line and filters
    • Connect the probe tube to the instrument
    • Suitable for the GMI Gascoseeker 2-500
    48 Reward Points
    Price Match Guarantee
    GMI-12395
  12. GMI Watcher Software Application - Optional Additional Licence
    GMI logo
    GMI Watcher Software Application - Optional Additional Licence
    (no reviews)
    £163.20 £136.00
    • Wirelessly control specially adapted portable gas detectors
    • Simple to use
    • Operates exactly as a normal field instrument
    136 Reward Points
    Price Match Guarantee
    WATCHER
  13. GMI 99129 Gas Bottle 100% Methane
    GMI logo
    GMI 99129 Gas Bottle 100% Methane
    (no reviews)
    £186.00 £155.00
    • 34 bar pressure
    • Shelf life of 36 months
    • Suitable for the GMI PS200 and PS500 series
    155 Reward Points
    Price Match Guarantee
    GMI-99129
  14. GMI 99159 Gas Bottle 2.5% Methane 18% Oxygen
    GMI logo
    GMI 99159 Gas Bottle 2.5% Methane 18% Oxygen
    (no reviews)
    £186.00 £155.00
    • Shelf life of 36 months
    • 34 litres capacity
    • Suitable for the GMI PS200 and PS500 series
    155 Reward Points
    Price Match Guarantee
    GMI-99159
  15. GMI 13844 Standard Charger (c/w Universal PSU)
    GMI logo
    GMI 13844 Standard Charger (c/w Universal PSU)
    (no reviews)
    £219.60 £183.00
    • Charge up to five instruments at once
    • Universal power supply
    • Suitable for the GMI Gasurveyor 500 Series
    183 Reward Points
    Price Match Guarantee
    GMI-13844
  16. GMI 99146 Combi Test Gas Cylinder 2.5% Methane / 500ppm CO / 50ppm H2S / 18% O2
    GMI logo
    GMI 99146 Combi Test Gas Cylinder 2.5% Methane / 500ppm CO / 50ppm H2S / 18% O2
    (no reviews)
    £259.20 £216.00
    • Shelf life of 36 months
    • 58 litres capacity
    • Suitable for the GMI PS200 and PS500 series
    216 Reward Points
    Price Match Guarantee
    GMI-99146
  17. GMI Tablet Computer for Watcher - Gasurveyor 500 & PS500 Options
    GMI logo
    Free UK Delivery
    GMI Tablet Computer for Watcher - Gasurveyor 500 & PS500 Options
    (no reviews)
    £414.00 £345.00
    • Suitable for Gasurveyor 500 & PS500 Series
    • Simple to use
    • Remotely control and simulate gas detection scenarios
    345 Reward Points
    Price Match Guarantee
    WATCHER-TAB
  18. GMI 99118 Demand Flow Regulator
    GMI logo
    Free UK Delivery
    GMI 99118 Demand Flow Regulator
    (no reviews)
    £420.00 £350.00
    • Exact amount of gas that the instrument pump requires
    • CGA 600 connection
    • Suitable for the GMI PS200 and PS500 series
    350 Reward Points
    Price Match Guarantee
    GMI-99118
  19. GMI 13698 GS500 Data Downloading Software Package (CD & Comms Adaptor)
    GMI logo
    Free UK Delivery
    GMI 13698 GS500 Data Downloading Software Package (CD & Comms Adaptor)
    (no reviews)
    £816.00 £680.00
    • Download, view, and print test results
    • Configure the PS500 settings
    • Suitable for the GMI PS500 gas detector
    680 Reward Points
    Price Match Guarantee
    GMI-13698
  20. GMI 64052 Auto Bump/Calibration Station
    GMI logo
    Free UK Delivery
    GMI 64052 Auto Bump/Calibration Station
    (no reviews)
    £1,060.80 £884.00
    • Quick bump test, full bump test, and full calibration
    • Automatically test and calibrate
    • Suitable for the GMI PS200 portable gas detector
    884 Reward Points
    Price Match Guarantee
    GMI-64052
  21. GMI Watcher Software Application & PS500 Training Instrument - Single or Multi Gas
    GMI logo
    Free UK Delivery
    GMI Watcher Software Application & PS500 Training Instrument - Single or Multi Gas
    (no reviews)
    £1,366.80 £1,139.00
    • Wirelessly control specially adapted portable gas detectors
    • Training instruments are available upon request
    • Hands-on training
    1139 Reward Points
    Price Match Guarantee
    WATCHER-PS500
  22. GMI Watcher Software Application & Training Instrument - Choice of Instrument
    GMI logo
    Free UK Delivery
    GMI Watcher Software Application & Training Instrument - Choice of Instrument
    (no reviews)
    £2,035.20 £1,696.00
    • Wirelessly control specially adapted portable gas detectors
    • Training instruments are available upon request
    • Hands-on training
    1696 Reward Points
    Price Match Guarantee
    WATCHER-TRAIN

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About Gas, HVAC & Plumbing Accessories

Tester stocks a huge range of both gas and HVAC (heating ventilation air conditioning) accessories for a variety of different roles. The most popular items we stock are:

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