Pegler OKA 4S4031 Manual To The Installation, Care And Maintenance Download Page 6

4. Range Limiting or Fixed Set Temperature

The terrier TRV has the facility for fixing the thermal head at a set 
temperature or to limit the range of operation. This is achieved by using
two pegs. 

5. How to use limiting pins

To obtain a fixed set point, locate a peg in the slot either side of the
selected setting and push home.
To set a limited range for temperature control, first locate a peg in the
slot to the right of the viewing window for the lowest temperature setting
required. Adjust the valve head to display the maximum temperature
desired. Locate a peg in the slot to the left side of the viewing window.
Push both pegs home. The head will now be adjustable between the
selected range of temperature.
* If you require this facility please call 0870 1200281 and order your free   

pins on order code 850888. 

6. Frost Protection

If you plan to be away from home for any length of time the TRV can be
turned to the frost protection setting “

“. If the temperature falls below

7°C the valve will automatically open giving protection against freezing.
(Provided that the boiler remains in operation via a frost stat.)

7. Removal of Radiator

The “0” Setting on the TRV is a positive “Off” position. This will enable a
radiator to be removed for maintenance purposes.
To avoid accidental operating of the valve or damage whilst decorating
the manual shut off cap may be used for added security instead of the
TRV head. In this case, remove the TRV sensor head by unscrewing the
securing ring and replacing with the manual cap BEFORE removing the
radiator.

TWO WAY

THERMOSTATIC RADIATOR

VALVE

TWO WAY

THERMOSTATIC RADIATOR

VALVE

TECHNICAL DATA

Temperature range

7°C - 28°C

Maximum Test Pressure

20bar

Maximum Static Pressure

10bar at 120°C

Maximum Differential Pressure

0.6bar

Maximum Water Flow Temperature

120°C

Installation 

and User Guide

SENSOR 

HEAD

MANUAL SHUT
OFF CAP

1/2” BSP
TAIL

VALVE BODY STRAIGHT

Pegler Limited, St. Catherines Avenue, Doncaster DN4 8DF.

Telephone: 01302 560560  Fax: 01302 367661 

VALVE BODY

113 two way terrier trv  4/2/08  16:17  Page 1

4. Range Limiting or Fixed Set Temperature

The terrier TRV has the facility for fixing the thermal head at a set 
temperature or to limit the range of operation. This is achieved by using
two pegs. 

5. How to use limiting pins

To obtain a fixed set point, locate a peg in the slot either side of the
selected setting and push home.
To set a limited range for temperature control, first locate a peg in the
slot to the right of the viewing window for the lowest temperature setting
required. Adjust the valve head to display the maximum temperature
desired. Locate a peg in the slot to the left side of the viewing window.
Push both pegs home. The head will now be adjustable between the
selected range of temperature.
* If you require this facility please call 0870 1200281 and order your free   

pins on order code 850888. 

6. Frost Protection

If you plan to be away from home for any length of time the TRV can be
turned to the frost protection setting “

“. If the temperature falls below

7°C the valve will automatically open giving protection against freezing.
(Provided that the boiler remains in operation via a frost stat.)

7. Removal of Radiator

The “0” Setting on the TRV is a positive “Off” position. This will enable a
radiator to be removed for maintenance purposes.
To avoid accidental operating of the valve or damage whilst decorating
the manual shut off cap may be used for added security instead of the
TRV head. In this case, remove the TRV sensor head by unscrewing the
securing ring and replacing with the manual cap BEFORE removing the
radiator.

TWO WAY

THERMOSTATIC RADIATOR

VALVE

TWO WAY

THERMOSTATIC RADIATOR

VALVE

TECHNICAL DATA

Temperature range

7°C - 28°C

Maximum Test Pressure

20bar

Maximum Static Pressure

10bar at 120°C

Maximum Differential Pressure

0.6bar

Maximum Water Flow Temperature

120°C

Installation 

and User Guide

SENSOR 

HEAD

MANUAL SHUT
OFF CAP

1/2” BSP
TAIL

VALVE BODY STRAIGHT

Pegler Limited, St. Catherines Avenue, Doncaster DN4 8DF.

Telephone: 01302 560560  Fax: 01302 367661 

VALVE BODY

113 two way terrier trv  4/2/08  16:17  Page 1

Pegler Yorkshire

4. Range Limiting or Fixed Set Temperature

The terrier TRV has the facility for fixing the thermal head at a set 
temperature or to limit the range of operation. This is achieved by using
two pegs. 

5. How to use limiting pins

To obtain a fixed set point, locate a peg in the slot either side of the
selected setting and push home.
To set a limited range for temperature control, first locate a peg in the
slot to the right of the viewing window for the lowest temperature setting
required. Adjust the valve head to display the maximum temperature
desired. Locate a peg in the slot to the left side of the viewing window.
Push both pegs home. The head will now be adjustable between the
selected range of temperature.
* If you require this facility please call 0870 1200281 and order your free   

pins on order code 850888. 

6. Frost Protection

If you plan to be away from home for any length of time the TRV can be
turned to the frost protection setting “

“. If the temperature falls below

7°C the valve will automatically open giving protection against freezing.
(Provided that the boiler remains in operation via a frost stat.)

7. Removal of Radiator

The “0” Setting on the TRV is a positive “Off” position. This will enable a
radiator to be removed for maintenance purposes.
To avoid accidental operating of the valve or damage whilst decorating
the manual shut off cap may be used for added security instead of the
TRV head. In this case, remove the TRV sensor head by unscrewing the
securing ring and replacing with the manual cap BEFORE removing the
radiator.

TWO WAY

THERMOSTATIC RADIATOR

VALVE

TWO WAY

THERMOSTATIC RADIATOR

VALVE

TECHNICAL DATA

Temperature range

7°C - 28°C

Maximum Test Pressure

20bar

Maximum Static Pressure

10bar at 120°C

Maximum Differential Pressure

0.6bar

Maximum Water Flow Temperature

120°C

Installation 

and User Guide

SENSOR 

HEAD

MANUAL SHUT
OFF CAP

1/2” BSP
TAIL

VALVE BODY STRAIGHT

Pegler Limited, St. Catherines Avenue, Doncaster DN4 8DF.

Telephone: 01302 560560  Fax: 01302 367661 

VALVE BODY

113 two way terrier trv  4/2/08  16:17  Page 1

Pegler Yorkshire Group Limited, St. Catherine’s Avenue, Doncaster, DN4 8DF.

Tel: 0844 243 4400  Fax: 0844 243 9870

Summary of Contents for OKA 4S4031

Page 1: ...has been designed for the use of homeowners domestic and commercial applications and therefore the guarantee is subject to the product being properly selected for their intended service conditions Th...

Page 2: ...Guide to the installation care and maintenance of OKA CP Thermostatic Bar Shower 4S4031 Pegler Limited St Catherine s Avenue Doncaster South Yorkshire DN4 8DF Telephone 01302 560560 Fax 01302 560109 4...

Page 3: ...erating pressure on hot and cold line should be kept as balanced as possible in order to assure maximum efficiency When the supply is higher than 5 Bar a Pressure Reducing Valve should be fitted befor...

Page 4: ...SERVICING Flush out supply pipes before fitting the shower valve as debris will prevent the shower valve working to its optimum level To prevent debris damaging the shower valve we recommend that you...

Page 5: ...chnical customcare line 0870 1200285 www pegler co uk HEAD OFFICE Pegler Limited St Catherine s Avenue Doncaster South Yorkshire DN4 8DF Tel 01302 560560 Fax 01302 367661 Internet www pegler co uk EXP...

Page 6: ...falls below 7 C the valve will automatically open giving protection against freezing Provided that the boiler remains in operation via a frost stat 7 Removal of Radiator The 0 Setting on the TRV is a...

Page 7: ...ng a lock shield valve this must be set to control the water flow through the radiator to the correct level PLEASE NOTE To avoid the problem of hydronic water flow noise it is recommended that the dif...

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