diff --git a/Configuration/Eras/python/Era_Run3_2025_UPC_OXY_cff.py b/Configuration/Eras/python/Era_Run3_2025_UPC_OXY_cff.py
index cd0f47cb9cbab..e17523b6fed1e 100644
--- a/Configuration/Eras/python/Era_Run3_2025_UPC_OXY_cff.py
+++ b/Configuration/Eras/python/Era_Run3_2025_UPC_OXY_cff.py
@@ -2,5 +2,6 @@
 
 from Configuration.Eras.Era_Run3_2025_UPC_cff import Run3_2025_UPC
 from Configuration.Eras.Modifier_run3_oxygen_cff import run3_oxygen
+from Configuration.ProcessModifiers.rpdReco_cff import rpdReco
 
-Run3_2025_UPC_OXY = cms.ModifierChain(Run3_2025_UPC, run3_oxygen)
+Run3_2025_UPC_OXY = cms.ModifierChain(Run3_2025_UPC.copyAndExclude([rpdReco]), run3_oxygen)
diff --git a/Configuration/Eras/python/Era_Run3_2025_UPC_cff.py b/Configuration/Eras/python/Era_Run3_2025_UPC_cff.py
index 5cb0a600c08c2..9ea192e363842 100644
--- a/Configuration/Eras/python/Era_Run3_2025_UPC_cff.py
+++ b/Configuration/Eras/python/Era_Run3_2025_UPC_cff.py
@@ -2,9 +2,10 @@
 
 from Configuration.Eras.Era_Run3_2025_cff import Run3_2025
 from Configuration.ProcessModifiers.egamma_lowPt_exclusive_cff import egamma_lowPt_exclusive
+from Configuration.ProcessModifiers.rpdReco_cff import rpdReco
 from Configuration.Eras.Modifier_highBetaStar_cff import highBetaStar
 from Configuration.Eras.Modifier_dedx_lfit_cff import dedx_lfit
 from Configuration.Eras.Modifier_run3_upc_cff import run3_upc
 from Configuration.Eras.Modifier_run3_upc_2025_cff import run3_upc_2025
 
-Run3_2025_UPC = cms.ModifierChain(Run3_2025, egamma_lowPt_exclusive, highBetaStar, dedx_lfit, run3_upc, run3_upc_2025)
+Run3_2025_UPC = cms.ModifierChain(Run3_2025, egamma_lowPt_exclusive, rpdReco, highBetaStar, dedx_lfit, run3_upc, run3_upc_2025)
diff --git a/Configuration/Eras/python/Era_Run3_2026_UPC_cff.py b/Configuration/Eras/python/Era_Run3_2026_UPC_cff.py
index 433b6fafe74f0..1ccc56078bbf8 100644
--- a/Configuration/Eras/python/Era_Run3_2026_UPC_cff.py
+++ b/Configuration/Eras/python/Era_Run3_2026_UPC_cff.py
@@ -2,9 +2,10 @@
 
 from Configuration.Eras.Era_Run3_2026_cff import Run3_2026
 from Configuration.ProcessModifiers.egamma_lowPt_exclusive_cff import egamma_lowPt_exclusive
+from Configuration.ProcessModifiers.rpdReco_cff import rpdReco
 from Configuration.Eras.Modifier_highBetaStar_cff import highBetaStar
 from Configuration.Eras.Modifier_dedx_lfit_cff import dedx_lfit
 from Configuration.Eras.Modifier_run3_upc_cff import run3_upc
 from Configuration.Eras.Modifier_run3_upc_2026_cff import run3_upc_2026
 
-Run3_2026_UPC = cms.ModifierChain(Run3_2026, egamma_lowPt_exclusive, highBetaStar, dedx_lfit, run3_upc, run3_upc_2026)
+Run3_2026_UPC = cms.ModifierChain(Run3_2026, egamma_lowPt_exclusive, rpdReco, highBetaStar, dedx_lfit, run3_upc, run3_upc_2026)
diff --git a/Configuration/Eras/python/Era_Run3_pp_on_PbPb_2025_cff.py b/Configuration/Eras/python/Era_Run3_pp_on_PbPb_2025_cff.py
index b10f94b27da63..c665985d474a2 100644
--- a/Configuration/Eras/python/Era_Run3_pp_on_PbPb_2025_cff.py
+++ b/Configuration/Eras/python/Era_Run3_pp_on_PbPb_2025_cff.py
@@ -2,8 +2,9 @@
 
 from Configuration.Eras.Era_Run3_2025_cff import Run3_2025
 from Configuration.ProcessModifiers.pp_on_AA_cff import pp_on_AA
+from Configuration.ProcessModifiers.rpdReco_cff import rpdReco
 from Configuration.Eras.Modifier_pp_on_PbPb_run3_cff import pp_on_PbPb_run3
 from Configuration.Eras.Modifier_pp_on_PbPb_run3_2025_cff import pp_on_PbPb_run3_2025
 from Configuration.Eras.Modifier_dedx_lfit_cff import dedx_lfit
 
-Run3_pp_on_PbPb_2025 = cms.ModifierChain(Run3_2025, dedx_lfit, pp_on_AA, pp_on_PbPb_run3, pp_on_PbPb_run3_2025)
+Run3_pp_on_PbPb_2025 = cms.ModifierChain(Run3_2025, dedx_lfit, pp_on_AA, rpdReco, pp_on_PbPb_run3, pp_on_PbPb_run3_2025)
diff --git a/Configuration/Eras/python/Era_Run3_pp_on_PbPb_2026_cff.py b/Configuration/Eras/python/Era_Run3_pp_on_PbPb_2026_cff.py
index fc0996ce9bf5f..111bdfc39603e 100644
--- a/Configuration/Eras/python/Era_Run3_pp_on_PbPb_2026_cff.py
+++ b/Configuration/Eras/python/Era_Run3_pp_on_PbPb_2026_cff.py
@@ -2,8 +2,9 @@
 
 from Configuration.Eras.Era_Run3_2026_cff import Run3_2026
 from Configuration.ProcessModifiers.pp_on_AA_cff import pp_on_AA
+from Configuration.ProcessModifiers.rpdReco_cff import rpdReco
 from Configuration.Eras.Modifier_pp_on_PbPb_run3_cff import pp_on_PbPb_run3
 from Configuration.Eras.Modifier_pp_on_PbPb_run3_2026_cff import pp_on_PbPb_run3_2026
 from Configuration.Eras.Modifier_dedx_lfit_cff import dedx_lfit
 
-Run3_pp_on_PbPb_2026 = cms.ModifierChain(Run3_2026, dedx_lfit, pp_on_AA, pp_on_PbPb_run3, pp_on_PbPb_run3_2026)
+Run3_pp_on_PbPb_2026 = cms.ModifierChain(Run3_2026, dedx_lfit, pp_on_AA, rpdReco, pp_on_PbPb_run3, pp_on_PbPb_run3_2026)
diff --git a/Configuration/ProcessModifiers/python/rpdReco_cff.py b/Configuration/ProcessModifiers/python/rpdReco_cff.py
new file mode 100644
index 0000000000000..924130a583530
--- /dev/null
+++ b/Configuration/ProcessModifiers/python/rpdReco_cff.py
@@ -0,0 +1,3 @@
+import FWCore.ParameterSet.Config as cms
+
+rpdReco =  cms.Modifier()
diff --git a/RecoLocalCalo/HcalRecProducers/plugins/ZdcHitReconstructor_Run3.cc b/RecoLocalCalo/HcalRecProducers/plugins/ZdcHitReconstructor_Run3.cc
index 649cec23d2dcd..017e0ff7f1684 100644
--- a/RecoLocalCalo/HcalRecProducers/plugins/ZdcHitReconstructor_Run3.cc
+++ b/RecoLocalCalo/HcalRecProducers/plugins/ZdcHitReconstructor_Run3.cc
@@ -231,10 +231,10 @@ void ZdcHitReconstructor_Run3::fillDescriptions(edm::ConfigurationDescriptions&
     psd0.add<int>("maxADCvalue", 255);
     desc.add<edm::ParameterSetDescription>("saturationParameters", psd0);
   }
-  descriptions.add("zdcrecoRun3", desc);
+  descriptions.add("zdcRecoRun3", desc);
   // or use the following to generate the label from the module's C++ type
   //descriptions.addWithDefaultLabel(desc);
 }
 
 //define this as a plug-in
-DEFINE_FWK_MODULE(ZdcHitReconstructor_Run3);
\ No newline at end of file
+DEFINE_FWK_MODULE(ZdcHitReconstructor_Run3);
diff --git a/RecoLocalCalo/HcalRecProducers/python/zdcrecoRun3_cfi.py b/RecoLocalCalo/HcalRecProducers/python/zdcrecoRun3_cfi.py
new file mode 100644
index 0000000000000..2681045131e8a
--- /dev/null
+++ b/RecoLocalCalo/HcalRecProducers/python/zdcrecoRun3_cfi.py
@@ -0,0 +1,7 @@
+import FWCore.ParameterSet.Config as cms
+import RecoLocalCalo.HcalRecProducers.zdcRecoRun3_cfi
+# clone (new) zdcrecoRun3  from imtermediate zdcRecoRun3
+zdcrecoRun3 = RecoLocalCalo.HcalRecProducers.zdcRecoRun3_cfi.zdcRecoRun3.clone()
+# apply modifier(s)
+from Configuration.ProcessModifiers.rpdReco_cff  import rpdReco
+rpdReco.toModify(zdcrecoRun3, skipRPD = False)