Question 1

Mine are made in China, not Germany. Are they fakes?

Accepted Answer

They are not fake. They are just made with slave labour.

Question 2

how do i fit the varta 4230 to my watchman oil sensor - the one actually in the tank?

Accepted Answer

Unscrew by hand the black sensor on the top of the tank, take it back to the plug in reader inside the house, turn off plug in reader. On the sensor undo 4 screws and gentle pull apart you will see the batteries, remember the way the old batteries go in (which way up). Replace and put together. Hold sensor and the reader together and turn on, you will see a black dot on the sensor touch that against the plug-in-reader until you get a connection. screw it back on the top of your oil tank. PS if it's raining cover the hole up on the top of your oil tank whilst your refitting the batteries. Hope that helps.

Question 3

how do i fit the varta 4230 to my watchman oil sensor - the one actually in the tank?

Accepted Answer

Unscrew by hand the black sensor on the top of the tank, take it back to the plug in reader inside the house, turn off plug in reader. On the sensor undo 4 screws and gentle pull apart you will see the batteries, remember the way the old batteries go in (which way up). Replace and put together. Hold sensor and the reader together and turn on, you will see a black dot on the sensor touch that against the plug-in-reader until you get a connection. screw it back on the top of your oil tank. PS if it's raining cover the hole up on the top of your oil tank whilst your refitting the batteries. Hope that helps.

Question 4

could you advise use by date?

Accepted Answer

Sorry, I just installed mine, I didn't check to see if there was one. That was about a year ago in a Roberts clock radio about 2003 vintage that came from a charity shop. It keeps the digital clock going when not plugged in. Still working

ASIN	B007FD64BO
Amperage	3 Amps
Antenna Location	Medical Devices,Car Keys,Clocks,Remote Controls,Toys
Battery Capacity	290 milliamp_hours
Battery Cell Type	Lithium Ion
Battery Weight	0.02 Kilograms
Best Sellers Rank	1,820 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 261 in Disposable Household Batteries
Brand Name	VARTA
Compatible Phone Models	Not for Mobiles
Country of Origin	China
Customer Reviews	4.6 4.6 out of 5 stars (15,707)
Global Trade Identification Number	04008496747191
Item Dimensions	10 x 8 x 2 centimetres
Item Type Name	VARTA Professional Electronics
Item Weight	4 Grams
Manufacturer	Varta Batteries
Model Name	Electronique Lithium
Model Number	CR2430
Number of Batteries	2 CR2430 batteries required.
Reusability	Single Use
UPC	704679594333
Unit Count	2.0 count
Voltage	3 Volts

VARTA Coin Cell Batteries CR2430, Pack of 2, Lithium Coin, 3 V, for clocks

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