Index: firmware/App/Services/FpgaDD.c
===================================================================
diff -u -rfc63fb0998e49133a69660c3eccf63fd0aba9413 -r84b30e2da7c4374d06ef068d3cb2b5c0c4fabccd
--- firmware/App/Services/FpgaDD.c	(.../FpgaDD.c)	(revision fc63fb0998e49133a69660c3eccf63fd0aba9413)
+++ firmware/App/Services/FpgaDD.c	(.../FpgaDD.c)	(revision 84b30e2da7c4374d06ef068d3cb2b5c0c4fabccd)
@@ -615,10 +615,12 @@
     U08 fpgaConSensD43Control;                  ///< Reg 118. Conductivity/Temperature Sensors D43 Control registers
     U16 fpgaConSensD43_Addrs;                   ///< Reg 119. D43 Initialization Address register
     U32 fpgaConSensD43_Data_In;                 ///< Reg 121. D43 Initialization data register
-    U08 unusedRegister3;                        ///< Reg 125. Unused register 3
+    U08 fpgaD92PumpControl;                     ///< Reg 125. D92 HDF Pump Control
     U32 fpgaD11PumpSpeed;                       ///< Reg 126. Acid Concentrate Pump Speed/RPM Control
     U32 fpgaD10PumpSpeed;                       ///< Reg 130. BiCarb Concentrate Pump Speed/RPM Control
     U32 fpgaD76PumpSpeed;                       ///< Reg 134. UF Pump Speed/RPM Control
+    U32 fpgaD92PumpSpeed;                       ///< Reg 138. HDF Pump Speed/RPM Control
+    U32 fpgaD92PumpRevCount;                    ///< Reg 142. HDF pump revolution count
 } FPGA_ACTUATORS_T;
 #pragma pack(pop)