diff --git a/frappy_psi/ccu4.py b/frappy_psi/ccu4.py
index 196a74c6..056f3486 100644
--- a/frappy_psi/ccu4.py
+++ b/frappy_psi/ccu4.py
@@ -124,7 +124,7 @@ class HeLevel(Base, Readable):
         return self.command(hfu=value)
 
 
-class Valve(Base, Writable):
+class ValveBase(Base, Writable):
     value = Parameter('relay state', BoolType())
     target = Parameter('relay target', BoolType())
     ioClass = IO
@@ -138,6 +138,7 @@ class Valve(Base, Writable):
     _open_command = None
     _close_command = None
     _query_state = None
+    _set_time = 0
 
     def write_target(self, target):
         self._set_time = time.time()
@@ -151,29 +152,30 @@ class Valve(Base, Writable):
         state = int(self.command(**self._query_state))
         value, status = self.STATE_MAP[state]
         if time.time() > self._set_time + 2:
-            self.value = value
+            self.value = self.target = value
         return status
 
 
-class HeFillValve(Valve):
+class HeFillValve(ValveBase):
     _open_command = {'hcd': 1, 'hf': 1}
     _close_command = {'hcd': 0,  'hf': 0}
     _query_state = {'hv': int}
 
 
-class N2FillValve(Valve):
+class N2FillValve(ValveBase):
     _open_command = {'nc': 1}
     _close_command = {'nc': 0}
     _query_state = {'nv': int}
 
 
-class AuxValve(Valve):
+class Valve(ValveBase):
     channel = Property('valve number', IntRange(1, 12))
 
     def initModule(self):
         self._open_command = {f'vc{self.channel}': 1}
         self._close_command = {f'vc{self.channel}': 0}
         self._query_state = {f'v{self.channel}': int}
+        super().initModule()
 
 
 class N2TempSensor(Readable):
@@ -815,8 +817,8 @@ class MotorValve(Base, Drivable):
               '5': (ERROR, 'no motor'),
               }
 
-    value = Parameter('value', datatyp=BoolType())
-    target = Parameter('target', datatyp=BoolType(), readonly=False)
+    value = Parameter('value', datatype=BoolType())
+    target = Parameter('target', datatype=BoolType(), readonly=False)
 
     def write_target(self, target):
         cmd = 1
diff --git a/frappy_psi/dtmpressure.py b/frappy_psi/dtmpressure.py
index a235bc60..93e38b21 100644
--- a/frappy_psi/dtmpressure.py
+++ b/frappy_psi/dtmpressure.py
@@ -34,4 +34,4 @@ class Pressure(HasIO, Readable):
     scale = Property('global scale factor', datatype=FloatRange(), default=1)
 
     def read_value(self):
-        return self.communicate('PRES?') / self.scale       # any other reply?
+        return float(self.communicate('PRES?')) / self.scale       # any other reply?
diff --git a/frappy_psi/epc8210.py b/frappy_psi/epc8210.py
index cf52b30b..cc68ed91 100644
--- a/frappy_psi/epc8210.py
+++ b/frappy_psi/epc8210.py
@@ -47,7 +47,7 @@ class IO(BytesIO):
         match = self.PAT.match(reply)
         if match:
             self.switch_status = match.groups()
-            self.log.info('%r', self.switch_status)
+            self.log.debug('%r', self.switch_status)
         else:
             # avoid recursive issue if no match is made
             self.switch_status = ['OFF'] * 8
diff --git a/frappy_psi/jtccr.py b/frappy_psi/jtccr.py
index e003aded..05ded912 100644
--- a/frappy_psi/jtccr.py
+++ b/frappy_psi/jtccr.py
@@ -48,23 +48,23 @@ class JTCCR(Writable):
     plow = Property('pressure below 5K', datatype=FloatRange(unit='mbar'), default=4.0)
 
     valves_high_pressure = {
-        'close': 'V3 V4 V5 V6 V7 V8 V10',
-        'open': 'V1 V2 V9 Vm',
+        'close': 'v3 v4 v5 v6 v7 v8 v10',
+        'open': 'v1 v2 v9 vm',
     }
     valves_circulating = {
-        'close': 'V3 V4 V5 V6 V7 V9 V10',
-        'open': 'V1 V2 V8 Vm',
+        'close': 'v3 v4 v5 v6 v7 v9 v10',
+        'open': 'v1 v2 v8 vm',
     }
     valves_warmup = {
-        'close': 'V6 V7 V8 V9 V10',
-        'open': 'V1 V2 V3 V4 V5 Vm',
+        'close': 'v6 v7 v8 v9 v10',
+        'open': 'v1 v2 v3 v4 v5 vm',
     }
     valves_security= {
         'open': '',
-        'close': 'V1 V9'
+        'close': 'v1 v9'
     }
     valves_overpressure = {
-        'open': 'V10',
+        'open': 'v10',
         'close': ''
     }
 
@@ -100,9 +100,9 @@ class JTCCR(Writable):
         # TODO: do we need to wait for motor valve?
 
     def doPoll(self):
-        p1 = self.secNode.module['P1'].read_value()
-        p2 = self.secNode.module['P2'].read_value()
-        p3 = self.secNode.module['P3'].read_value()
+        p1 = self.secNode.modules['p1'].read_value()
+        p2 = self.secNode.modules['p2'].read_value()
+        p3 = self.secNode.modules['p3'].read_value()
         compressor_state = self.compressor.read_value()
         if self.value == 'manual':
             return self.set_mode('manual')
@@ -132,7 +132,7 @@ class JTCCR(Writable):
         if (p3 - p2) >= self.pdifmax + 0.1:
             self.handle_valves(**self.valves_overpressure)
             self.status = BUSY, 'release to recovery'
-        elif self.secNode.modules['V10'].read_value():
-            self.secNode.modules['V10'].write_target(False)
+        elif self.secNode.modules['v10'].read_value():
+            self.secNode.modules['v10'].write_target(False)
             self.status = IDLE, 'release finished'
         self.status = IDLE, ''