diff --git a/src/devices/boiler.cpp b/src/devices/boiler.cpp
index 27ade4123..808888115 100644
--- a/src/devices/boiler.cpp
+++ b/src/devices/boiler.cpp
@@ -963,17 +963,20 @@ void Boiler::process_UBAMonitorSlowPlus2(std::shared_ptr<const Telegram> telegra
 
 /*
  * UBAMonitorSlowPlus - type 0xE5 - central heating monitor EMS+
+ * Boiler(0x08) -> Me(0x0B), UBAMonitorSlowPlus(0xE5),
+ * data: 01 00 20 00 00 78 00 00 00 00 00 1E EB 00 9D 3E 00 00 00 00 6B 5E 00 06 4C 64 00 00 00 00 8A A3
  */
 void Boiler::process_UBAMonitorSlowPlus(std::shared_ptr<const Telegram> telegram) {
     changed_ |= telegram->read_bitvalue(fanWork_, 2, 2);
     changed_ |= telegram->read_bitvalue(ignWork_, 2, 3);
     changed_ |= telegram->read_bitvalue(heatPump_, 2, 5);
     changed_ |= telegram->read_bitvalue(wWCirc_, 2, 7);
+    changed_ |= telegram->read_value(exhaustTemp_, 6);
     changed_ |= telegram->read_value(burnStarts_, 10, 3);  // force to 3 bytes
     changed_ |= telegram->read_value(burnWorkMin_, 13, 3); // force to 3 bytes
     changed_ |= telegram->read_value(heatWorkMin_, 19, 3); // force to 3 bytes
     changed_ |= telegram->read_value(pumpMod_, 25);
-    // temperature measurements at 4, and  6, see #620
+    // temperature measurements at 4, see #620
 }
 
 /*
@@ -1057,6 +1060,8 @@ void Boiler::process_UBAMaintenanceStatus(std::shared_ptr<const Telegram> telegr
     // first byte: Maintenance due (0 = no, 3 = yes, due to operating hours, 8 = yes, due to date)
 }
 
+#pragma GCC diagnostic pop
+
 // 0x10, 0x11
 void Boiler::process_UBAErrorMessage(std::shared_ptr<const Telegram> telegram) {
     // data: displaycode(2), errornumber(2), year, month, hour, day, minute, duration(2), src-addr
@@ -1081,8 +1086,6 @@ void Boiler::process_UBAErrorMessage(std::shared_ptr<const Telegram> telegram) {
     }
 }
 
-#pragma GCC diagnostic pop
-
 // 0x15
 void Boiler::process_UBAMaintenanceData(std::shared_ptr<const Telegram> telegram) {
     // first byte: Maintenance messages (0 = none, 1 = by operating hours, 2 = by date)