Poolbeg height (Meters) - EPSG:7962

WKT

VERTCS["Poolbeg_height_(m)", 
	VDATUM["Poolbeg"], 
	PARAMETER["Vertical_Shift", 0.0], 
	PARAMETER["Direction", 1.0], 
	UNIT["Meter", 1.0]]

WKT2

VERTCRS["Poolbeg_height_(m)", 
	VDATUM["Poolbeg"], 
	CS[vertical, 1], 
	AXIS["Gravity-related height (H)", up, 
		LENGTHUNIT["Meter", 1.0]], 
	ID["EPSG", "7962"]]

Data from @esri/proj-codes

{
  "wkid": 7962,
  "latestWkid": 7962,
  "macro": "PE_VCS_POOLBEG_HT_M",
  "name": "Poolbeg_height_(m)",
  "wkt": "VERTCS[\"Poolbeg_height_(m)\",VDATUM[\"Poolbeg\"],PARAMETER[\"Vertical_Shift\",0.0],PARAMETER[\"Direction\",1.0],UNIT[\"Meter\",1.0]]",
  "wkt2": "VERTCRS[\"Poolbeg_height_(m)\",VDATUM[\"Poolbeg\"],CS[vertical,1],AXIS[\"Gravity-related height (H)\",up,LENGTHUNIT[\"Meter\",1.0]],ID[\"EPSG\",\"7962\"]]",
  "description": "Poolbeg height (Meters)",
  "authority": "EPSG",
  "version": "9.2(10.8.0)",
  "deprecated": "no",
  "areaname": "Europe - Ireland (Republic and Ulster) - onshore",
  "extent": {
    "slat": 51.39,
    "nlat": 55.43,
    "llon": -10.56,
    "rlon": -5.34
  }
}