From obsolete chiller valves and fan bearings to emergency compressor replacements, we supply thousands of genuine OEM and high-efficiency aftermarket HVAC spares across the UK and Ireland.
Every component is tested for direct drop-in replacement, verified tolerances, and guaranteed performance to prevent repeated breakdowns.
Complete scroll, screw, and reciprocating compressor solutions with complete rebuild kits and valve plates.
Centrifugal wheels, plug fans, access door handles, inspection latches, and custom replacement coil blocks.
End-suction and in-line circulator parts, silicon carbide mechanical shaft seals, and replacement pump heads.
2-way and 3-way modulating control valves, PICVs, spring-return damper actuators, and ball valves.
Airflow pressure switches, duct temperature probes, humidity transmitters, and freeze protection thermostats.
Thermostatic expansion valves (TXV), electronic expansion valves (EEV), liquid line filter driers and sight glasses.
Heavy duty pillow block bearings, taper lock bushes, SPZ/SPA/SPB matched V-belt sets, and drive tensioners.
Brazed stainless plate heat exchangers, low-pressure hot water (LPHW) coils, and finned electric duct heaters.
Definite purpose contactors, motor starter relays, thermal overload protectors, and fan speed regulators.
Our engineers identify direct form-fit-function equivalents when original equipment manufacturer parts are obsolete or on extended lead times.
| Equipment Category | Major Supported Brands | Common Replacements In Stock | Dispatch Window |
|---|---|---|---|
| Chillers & Packaged AC | Carrier, Trane, York, Daikin, McQuay | Crankcase heaters, transducers, scroll compressors, flow switches | Same Day / 24h |
| Air Handling Units (AHU) | FläktGroup, Systemair, VES, Trox, Swegon | Door latches, backward curved impellers, differential gauges, belts | Same Day / 24h |
| Pumps & Hydronics | Grundfos, Wilo, Armstrong, Lowara, Xylem | Mechanical shaft seals, flange gaskets, pump bearings, impellers | In Stock |
| BMS & Controls | Belimo, Honeywell, Siemens, Trend, Sontay | Actuators 24V/230V, immersion sensors, air pressure switches | In Stock |
| Ventilation & Fans | Woods, Ziehl-Abegg, EBM-Papst, Soler & Palau | EC replacement motors, capacitor sets, anti-vibration springs | Same Day |
Take a clear photo of the motor, valve, fan or compressor rating plate or serial tag.
We verify dimensions, voltage, airflow, pressure drop and mount configuration.
Parts delivered directly to facility site with full warranty and installation data.
Yes. Many legacy air handling units and chillers have discontinued OEM components. Our engineering department can calculate duty cycles, shaft diameters, and electrical loads to cross-reference an exact modern drop-in upgrade that matches your existing ductwork and wiring.
For stock components (belts, bearings, sensors, actuators, and standard run capacitors), orders placed before 2:00 PM are dispatched same-day for next-morning delivery across Ireland and the United Kingdom. Emergency courier delivery can also be organized.
All parts, motors, valves, and compressors supplied by DM O'Shea Engineering carry standard 12-month manufacturer warranties against defects, guaranteeing peace of mind for facilities managers and maintenance teams.
Tell us what you need and our engineering team will come back with availability, specification advice and a competitive price for Ireland and the UK.
