1. Total Hydronic Balancing
Valves + Systems
Total Hydronic Balancing
Comfort and Energy Savings for Heating and Cooling Systems

2. German Engineered Quality and Value
Hydronic Balancing
Valves + Systems
German Engineered Quality and Value
Application Guides
Electrothermal Actuators
Non Electric Actuators
Pressure Activated Bypass
Zone Valves
Distribution
Stations
Balancing Valves
Thermostatic Radiator Valves
Diverting and Mixing Valves

3. Energy Saving Integrated Packages
Hydronic Balancing
Products and Applications
Energy Saving Integrated Packages
Mechanical Systems for the 21st Century
Energy Efficient Hydronic Heating & Cooling
Balancing Energy
Solar Energy
Award Winning Quality and Value
Administration Building
in Melbourne, Australia
European Parliament
In Strasbourg, France

4. Oventrop‘s Profile Founded in 1851 Owned by the same family today
Hydronic Balancing
Oventrop‘s Profile
Founded in 1851
Owned by the same family today
Quality engineering and manufacturing
Products distributed all over the world
8 Sub Corporations
Oventrop Corporation US Since 2004 East Granby, CT USA
Main factory in Olsberg, Germany
Production Facility in Brilon

5. Awards for Excellence Good design means
Hydronic Balancing
Design Awards
Awards for Excellence
Good design means
excellent quality and good value
North Rhine Westfalia
Industrial Forum Design Hannover
Design Centre Essen
German Institute for Copper Berlin
Pragotherm Prague
Design Laboratory Hamburg
Design Museum London

6. Oventrop Radiator Valves and Thermostatic Operators
Hydronic Balancing
Oventrop Radiator Valves and Thermostatic Operators
Unique and Quality Components

7. Oventrop Radiator Valves and Thermostatic Operators
Hydronic Balancing
Oventrop Radiator Valves and Thermostatic Operators
Liquid Filled Diaphram
Thermostatic Operator
Radiator Valve
Valve Insert

8. Oventrop Radiator Valves and Thermostatic Operators
Hydronic Balancing
Oventrop Radiator Valves and Thermostatic Operators
Liquid filled diaphram
hand calibrated
Expand- Close
Contract- Open
connection
Thermostat
Connection
M30 x 1.5
Radiator Valve
Closed- no flow
Open- modulating flow

9. Oventrop Radiator Valves and Thermostatic Operators
Hydronic Balancing
Oventrop Radiator Valves and Thermostatic Operators
Thermostatic Operators
Standard model Uni XH and Uni XD
Appearance Uni LH
Compact Vindo
Slow Reaction Uni DH
Exclusive Uni SH
Lockshield Uni LBH
Electronic R-Tronic
Remote Control Uni FH and Uni FD

10. Radiator Valve Thermostats
Hydronic Balancing
Radiator Valve Thermostats
Modulating Thermostat Control with liquid sensor
Thermostat Uni XH threaded model
For Oventrop radiator valves
M 30 x 1.5 threaded valves M 30 x 1.0 threaded valves
Thermostat Uni XD
squeeze on model
for Danfoss valves
and Buderus panel radiators
Series RA squeeze connections
Temperature setting may be limited or locked
0 setting = positive off
X setting = freeze protection
Temperature range ºF
#3 setting = 68º ºF
with remote sensor
6 1/2 ft. or
16 ft.

11. Thermostats 3 = 68ºF Collar nut Settings Base Numbers
Hydronic Balancing
Thermostats
High/Low Temp Guides
Collar nut
Settings Base
Numbers
represents 8ºF each increment
Minor Graduations represents 1.8ºF
Setting 3, 68ºF
Memory Disc
1 = 53ºF 2 = 60ºF
3 = 68ºF
4 = 75ºF
5 = 82ºF
0 = complete shut off found on thermostats with symbol  = Frost protection symbol, valve opens automatically when room reaches 44

12. Radiator Valve Thermostats
Hydronic Balancing
Radiator Valve Thermostats
Modulating Thermostat Control with liquid sensor
Thermostat Uni LH
For Oventrop radiator valves
M 30 x 1.5 threaded valves
M 30 x 1.0 threaded valves
Sleek appearance
Hidden Locks for min/max settings adjustable only by removing ring requires ring removal tool to set locks
Powder White
or Chrome
for Series E
Radiator Valves

13. Radiator Valve Thermostats
Hydronic Balancing
Radiator Valve Thermostats
Modulating Thermostat Control with liquid sensor
Thermostat Vindo
M 30 x 1.5 threaded or
Squeeze connection
Sleek appearance
Economical
Benefits
Compact
lockable
limitable

14. Radiator Valve Thermostats
Hydronic Balancing
Radiator Valve Thermostats
Thermostat Uni DH
M 30 x 1.5 threaded valve
Best for slow reaction time
Great for steam applications
Thermostat with wax Sensor
Temperature setting may be limited or locked.
Wax filled sensor reacts slower than liquid filled sensors Good Match for Steam Systems
with remote sensor
6 1/2 ft.

15. Radiator Valve Thermostats
Hydronic Balancing
Radiator Valve Thermostats
Modulating Thermostat Control with liquid sensor
Thermostat Uni SH M 30 x 1.5 threaded valve
Match with Series E Radiator Valves
Perfect thermostat for towel bars
Sleek appearance
Chrome or White Ring

16. Radiator Valve Thermostats
Hydronic Balancing
Radiator Valve Thermostats
Modulating Thermostat Control with liquid sensor
Thermostat Uni LHB
For Oventrop radiator valves
M 30 x 1.5 threaded valves M 30 x 1.0 threaded valve
Lockshield Configuration
Integrated anti-theft Device Increased Flextional Strength
Accessory: Setting Key to set the nominal temperature value at the thermostat

17. Radiator Valve Thermostats
Hydronic Balancing
Radiator Valve Thermostats
Electronic Radiator Control
R-Tronic Programmable electronic controller for individual room
For Oventrop radiator valves
M 30 x 1.5 threaded valves
Adjustable Timed program
Battery operated
Child-proof lock, frost protection
Auto-off with open window function
Temperature range: °F

18. Radiator Valve Thermostats
Hydronic Balancing
Radiator Valve Thermostats
Thermostats with Remote Control
Thermostat Uni FH white model
For Oventrop radiator valves
M 30 x 1.5 threaded valves
6 1/2 ft. capillary
16 ft. capillary
33 ft capillary
Thermostat Uni FD white model
squeeze on connection
for Danfoss valves
and Buderus panel radiators
Series RA squeeze connections
6 1/2 ft. capillary
Wall thermostats are better for control of comfort
and ease of adjustment Radiators that are placed within enclosures need a remote thermostat to eliminate undue cycling

19. Radiator Valve Thermostats
Hydronic Balancing
Radiator Valve Thermostats
Thermostats with Remote Control
and remote sensor
Thermostat Uni LH
white model with remote sensor
M 30 x 1.5 threaded valves
6 1/2 ft. capillary
16 ft. capillary
Remote sensor allows for average temperature reading at sensor and wall thermostat
Wall thermostats are better for control of comfort
and ease of adjustment Radiators that are placed within enclosures need a remote thermostat to eliminate undue cycling

20. Hot Water Valves for Thermostats Radiator Valve
Hydronic Balancing
Valves for Thermostats
Series AZ
Hot Water
Radiator Valve
M 30 x 1.5 threaded 30mm diameter 1.5 thread pitch
brass, nickel plated
highest Cv at 1.28
These valves can be used with 4 types of actuators
1. Manual adjuster (included)
2. Thermostatic (non-electric)
3. Thermostatic remote capillary (non-electric)
4. 24 V electric for on/off control

21. Valves for Thermostats
Hydronic Balancing
Valves for Thermostats
Series AZ
Manual adjuster
Valve Patterns
Angle Pattern Valve
Sizes: 1/2, 3/4, 1, 1-1/4 inch
Straight Pattern Valve
Sizes: 1/2, 3/4, 1, 1-1/4 inch
Reverse Angle Pattern Angle Sizes: 1/2, 3/4 inch

22. Valves for Thermostats
Hydronic Balancing
Valves for Thermostats
Series AZ
Valve Patterns
Double Angle Pattern: Thermostat extends from valve forward horizontally
Double Angle Pattern Left 1/2 inch
Double Angle Pattern Right 1/2 inch

23. Valves for Thermostats Service Valves for Return Side of Radiator
Hydronic Balancing
Valves for Thermostats
Service Valves for Return Side of Radiator
Combi 2
Balancing and shut off
NPT x NPT
SWT x SWT
Sizes in 1/2 and 3/4 inch
Combi 4
Balancing with memory, filling, draining, and shut off
Combi 2
Combi 4
Nickel Plated
Angle and Straight Pattern

24. Hydronic Balancing

25. Hydronic Balancing

26. Hydronic Balancing

27. Thermostatic operator with wall thermostat and remote sensor
Hydronic Balancing
Thermostatic operator with wall thermostat and remote sensor

28. Valves for Thermostats
Hydronic Balancing
Valves for Thermostats
Exclusive Designer Series E
Radiator Valve Series E
M 30 x 1.5 threaded
angle or straight pattern
chrome or white
Perfect for towel bar warmers
Include return side
Service valve Combi E for radiator or towel rack
matching appearance
isolating, balancing fill and drain
Available in 1/2 inch

29. Valves for Thermostats
Hydronic Balancing
Valves for Thermostats
Thermostat location
Series E
Valve Patterns 1/2 inch valves
Angle Pattern Valve
Double Angle Pattern Right
Straight Pattern Valve
Double Angle Pattern Left

30. Valves for Thermostats
Hydronic Balancing
Valves for Thermostats
Return Side Service Valve Combi E
Valve Patterns 1/2 inch valves
Angle Pattern Valve
Straight Pattern Valve

31. Steam Valves for Thermostats Radiator Valve
Hydronic Balancing
Valves for Thermostats
Series S for low pressure steam max. 15 psi
Steam
Radiator Valve
Includes Stainless Steel Cartridge
long service life
Competitors such as Danfoss use EPDM valve seats for both hot water and steam radiators valves.
Steam and high temperatures corrode EPDM over time.
A Stainless Steel valve insert should be used in steam systems.

32. Valves for Thermostats
Hydronic Balancing
Valves for Thermostats
Series S (Steam)
Valve Patterns
Angle Pattern Valve
Sizes: 1/2, 3/4, 1, 1-1/4 inch
Straight Pattern Valve
Sizes: 1/2, 3/4, 1, 1-1/4 inch
Reverse Angle Pattern Angle Sizes: 1/2, 3/4 inch

33. Steam Valves for Thermostats Radiator Valve One-pipe Steam
Hydronic Balancing
Valves for Thermostats
One-pipe Steam
airvent port
Steam
Radiator Valve
Includes Stainless Steel Cartridge
long service life
Room Thermostat Control for a one pipe steam radiator systems
The 1/8 inch air vent on a one pipe steam radiator can be removed and replaced with a one pipe steam radiator valve
The air vent is reinstalled vertically into the one pipe radiator valve.

34. One Pipe Steam Radiator Valve and Thermostat
Hydronic Balancing
Oventrop Radiator Valves
One Pipe Steam Radiator Valve and Thermostat
Air vent
1/8 inch NPT into radiator vent
Oventrop One-pipe Steam
with wax sensor Thermostat UNI DH

35. Convert One Pipe Steam to Hot Water
Hydronic Balancing
Valves for Thermostats
Convert One Pipe Steam to Hot Water
One Pipe Radiator Injection Valves
1/2 inch to radiator
1/2 copper or pex
Verticle insertion tube
Horizontal insertion tube most popular
Extend injection water tube into radiator with copper or pex tubing
Cut in an airvent at top of radiator when converting radiator

36. One Pipe Radiator Injection Valve with constant bypass and shut off
Hydronic Balancing
Oventrop Radiator Valves
One Pipe Radiator Injection Valve with constant bypass and shut off
Cut in radiator vent
Convert steam radiator to two pipe hot water

37. Muliflex Fittings for integrated panel radiators
Hydronic Balancing
Panel Radiator Valves
Muliflex Fittings for integrated panel radiators
Designed for
Buderus panel radiators
DiaNorm panel radiators
Uni XH with trim piece
Multiflex
Vindo
Pipes only through floor at one end
No TRV body seen only the connector below the rad and the head on the side
TBOE is the recommended connection method for rads to achieve the most efficient output.
Rad has internal baffles to get the best flow path
R 20 connections
Multiflex fitting

38. Panel Radiator Valves Diverter Valves for one pipe systems
Hydronic Balancing
Panel Radiator Valves
Multiflex fittings
Diverter Valves for one pipe systems
for series loop systems
radiators piped in series
Connection 1/2 x 3/4 inch thread
90 degree angle
straight pass

39. Panel Radiator Valves 2- pipe systems isolating valves
Hydronic Balancing
Panel Radiator Valves
2- pipe systems
isolating valves
pipe radiators in parallel
Multiflex fittings
Connection 1/2 x 3/4 inch thread
90 degree angle
straight pass
Compression Fittings for Multiflex
Transition to Pex or Copper

40. Vandal Guard Protects from thermostat removal
Hydronic Balancing
Assessories
Vandal Guard Protects from thermostat removal
Right Angle Adapter for threaded and squeeze connection

41. Function: Cv value : Application: Valve Inserts
Hydronic Balancing
Valve Inserts
Insert Type "AZ"
Function:
Standard valve insert with hot water valves. This valve insert has the highest Cv of all inserts.
Cv value :
1.28
Application:
Standard for most radiator valve applications 41

42. Function: Cv value : Application: Valve Inserts
Hydronic Balancing
Valve Inserts
Insert Type "AV 6"
Key for flow rate setting
AV 6 inserts
Function:
Adjustable Cv value insert, allows technician to balance flow rate with six different settings.
Cv value :
0.75
Application:
This insert is used where radiator return balancing can not be used. 42

43. Function: Cv value : Application: Valve Inserts
Hydronic Balancing
Valve Inserts
Insert Type "ADV 6"
Landlord model
Key for flow rate setting
AV 6 inserts
Function:
Adjustable Cv value insert with six settings.
If thermostat is removed from the valve the flow will be restricted to 5% of normal flow.
Cv value :
0.75
Application:
This insert is used where radiator return balancing can not be used and vandalism is an issue. 43

44. Function: Cv value : Application: Valve Inserts
Hydronic Balancing
Valve Inserts
Insert Type "Stainless Steel Seat"
Function:
This insert has a stainless steel valve seat for steam applications.
Cv value :
0.70
Application:
This insert is used for steam applications. 44

45. Function: Cv value : Application: Valve Inserts
Hydronic Balancing
Valve Inserts
Insert Type "Special"
Function:
This insert has a low Cv value.
Cv value :
0.52
Application:
The low Cv value is used to correct reversed supply and return hookup. 45

46. Function: Cv value: Application: Valve Inserts
Hydronic Balancing
Valve Inserts
Insert Type "TM"
Function:
This insert is has a maximum pressure differential of up to 40 psi.
Cv value:
1/2 inch /4 inch- 1.2
1 inch /4 inch- 1.6
Application:
Used for commercial baseboard applications. 46

47. Hydronic Balancing
Demo-Bloc
Special tool for replacing Oventrop valve inserts under working conditions
Demo-Bloc
Radiator valve
drain port
Step 1: screw demo-bloc into radiator valve
Step 2: remove valve insert with demo-bloc stem handle, open drain port for stem handle retraction
Step 3: close demo-bloc ball valve, remove stem with attached valve insert, remove valve insert
Valve insert
Step 4: Install new valve stem back into radiator valve, remove demo-bloc

48. Valves for Thermostats
Hydronic Balancing
Valves for Thermostats
Custom to US market
Zone / Radiator Valves
1/2” and 3/4”
SWT x SWT
Angle Pattern
Straight Pattern
Reverse angle pattern
#1 selling non electric valve for baseboard control
Application
Non electric
Baseboard
control

49. Valves for Thermostats
Zone / Radiator Valves
Valve Patterns
Angle Pattern Valve
Sizes: 1/2, 3/4 inch
Straight Pattern Valve
Sizes: 1/2, 3/4 inch
Reverse Angle Pattern Angle Sizes: 1/2, 3/4 inch

50. Non Electric Wall Thermostats
Hydronic Balancing
Non Electric Wall Thermostats
Thermostat Uni LH
6 1/2 ft. capillary
16 ft. capillary
33 ft capillary
Application
Non electric
baseboard
control
Wall Thermostat
For ease and convenient control

51. Oventrop Actuators Application 24VAC zone valve model zone valves
Hydronic Balancing
Oventrop Actuators
24VAC zone valve model
2 models
with normally open actuator
with normally closed actuator
Application
zone valves
baseboards
Proportional Temperature Control
v proportional signal actuator
Better temperature control
Comes separately

52. Electrothermal Actuators
24VAC on/off
Models:
1 - Normally closed, with end switch
2 - Normally closed
3 - Normally open
M30x1.5 threads standard
Slow acting to prevent water hammer
Low profile, compact design
24V, 2 watt
Adapter for M30x1.0 threads
For use with:
Diverting valve
Radiator valves
Manifolds

53. Electromotive Actuators
Proportional Actuator
24 VAC
Proportional actuator for temperature mixing and flow control
For use with:
Three-way mixing valve
Radiator valves
Manifolds
0 – 10v input signal

54. Valve Thermostats Non-electric actuator Proportional Regulator
Non-electric actuator with strap on sensor and transfer unit.
For use with two- and three-way valves.
The control range may be limited and locked.
Connection thread M 30 x 1.5
Handwheel scale 1 2 3 4 5 6 7
Temperature setting in F 86 95
104
113
122
131
140

55. Oventrop Zone Valve 24 VAC Zone Valve 24 VAC to open 2 wire actuator
Hydronic Balancing
Oventrop Zone Valve
24 VAC Zone Valve
24 VAC to open
2 wire actuator
with manual lever
3.3 CV value
Zone valve motor can be attached to M30 x 1.5
Oventrop radiator valve

56. Oventrop Balancing Valves
Hydronic Balancing
Great Hydronic Balancing
Energy Savings and Indoor Comfort
Oventrop Balancing Valves
Maximize energy savings and attain a comfortable indoor climate with a comprehensive approach to balanced water flow.
The flow of energy through a hydronic system must be balanced to optimize comfort and increase the efficiency of the HVAC system.
Oventrop high quality balancing valves
are an essential element of the
total hydronic heating or cooling system.