diff --git a/tasmota/xsns_83_neopool.ino b/tasmota/xsns_83_neopool.ino
index 599cbd502..b1c9fbcbc 100644
--- a/tasmota/xsns_83_neopool.ino
+++ b/tasmota/xsns_83_neopool.ino
@@ -78,13 +78,13 @@
 
 
 /*********************************************************************************************\
- * Sugar Valley Modbus Register (* register are currently used)
+ * Sugar Valley Modbus Register (addresses marked with * are queried with each polling cycle)
  * (see https://downloads.vodnici.net/uploads/wpforo/attachments/69/171-Modbus-registers.pdf)
 \*********************************************************************************************/
 enum NeoPoolRegister {
                                           // addr    Unit   Description
                                           // ------  ------ ------------------------------------------------------------
-  // MODBUS page (0x0000 - 0x002E - unknown - for internal use only)
+  // MODBUS page (0x00xx) - undocumented - for internal use
   MBF_POWER_MODULE_VERSION = 0x0002,      // 0x0002         undocumented - power module version (MSB=Major, LSB=Minor)
   MBF_POWER_MODULE_NODEID = 0x0004,       // 0x0004         undocumented - power module Node ID (6 register 0x0004 - 0x0009)
   MBF_POWER_MODULE_REGISTER = 0x000C,     // 0x000C         undocumented - Writing an address in this register causes the power module register address to be read out into MBF_POWER_MODULE_DATA, see MBF_POWER_MODULE_REG_*
@@ -595,6 +595,7 @@ bool neopool_first_read = true;
 #endif  // NEOPOOL_OPTIMIZE_READINGS
 bool neopool_error = true;
 
+uint16_t neopool_model_option;
 uint16_t neopool_power_module_version;
 uint16_t neopool_power_module_nodeid[6];
 
@@ -613,10 +614,9 @@ struct {
   const uint16_t cnt;
   uint16_t *data;
 } NeoPoolReg[] = {
-  // 8 entries each poll needs 2 sec for complete register set
+  // complete poll cycle needs 7x250 ms to read complete register set
   {MBF_ION_CURRENT,       MBF_NOTIFICATION                  - MBF_ION_CURRENT       + 1, nullptr},
   {MBF_CELL_RUNTIME_LOW,  MBF_CELL_RUNTIME_POL_CHANGES_HIGH - MBF_CELL_RUNTIME_LOW  + 1, nullptr},
-  {MBF_PAR_VERSION,       MBF_PAR_MODEL                     - MBF_PAR_VERSION       + 1, nullptr},
   {MBF_PAR_TIME_LOW,      MBF_PAR_FILT_GPIO                 - MBF_PAR_TIME_LOW      + 1, nullptr},
   {MBF_PAR_ION,           MBF_PAR_FILTRATION_CONF           - MBF_PAR_ION           + 1, nullptr},
   {MBF_PAR_UICFG_MACHINE, MBF_PAR_UICFG_MACH_VISUAL_STYLE   - MBF_PAR_UICFG_MACHINE + 1, nullptr},
@@ -981,7 +981,7 @@ void (* const NPCommand[])(void) PROGMEM = {
 
 /*********************************************************************************************/
 
-void NeoPool250ms(void)              // Every 250 mSec
+void NeoPoolPoll(void)              // Every 250 mSec
 {
   if (!neopool_poll) {
     return;
@@ -1098,6 +1098,7 @@ bool NeoPoolInitData(void)
   bool res = false;
 
   neopool_error = true;
+  neopool_model_option = 0xFFFF;
   neopool_power_module_version = 0;
   memset(neopool_power_module_nodeid, 0, sizeof(neopool_power_module_nodeid));
   for (uint32_t i = 0; i < nitems(NeoPoolReg); i++) {
@@ -1346,9 +1347,18 @@ uint32_t NeoPoolGetSpeedIndex(uint16_t speedvalue)
 }
 
 
+uint16_t NeoPoolModelOption(void)
+{
+  if (0xFFFF == neopool_model_option) {
+    neopool_model_option = NeoPoolGetData(MBF_PAR_MODEL);
+  }
+  return neopool_model_option;
+}
+
+
 bool NeoPoolIsHydrolysis(void)
 {
-    return (((NeoPoolGetData(MBF_PAR_MODEL) & MBMSK_MODEL_HIDRO)) ||
+    return (((NeoPoolModelOption() & MBMSK_MODEL_HIDRO)) ||
             (NeoPoolGetData(MBF_HIDRO_STATUS) & (MBMSK_HIDRO_STATUS_CTRL_ACTIVE | MBMSK_HIDRO_STATUS_CTRL_ACTIVE)));
 }
 
@@ -1379,7 +1389,7 @@ bool NeoPoolIsConductivity(void)
 
 bool NeoPoolIsIonization(void)
 {
-  return (NeoPoolGetData(MBF_PAR_MODEL) & MBMSK_MODEL_ION);
+  return (NeoPoolModelOption() & MBMSK_MODEL_ION);
 }
 
 
@@ -2466,7 +2476,7 @@ bool Xsns83(uint8_t function)
   } else if (neopool_active) {
     switch (function) {
       case FUNC_EVERY_250_MSECOND:
-        NeoPool250ms();
+        NeoPoolPoll();
         break;
       case FUNC_COMMAND:
         result = DecodeCommand(kNPCommands, NPCommand);