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Water King Sentry Water-King Sentry - A high security unit designed specifically for Public Authority and Housing Associations where theft or tampering could occur. Also recommended in all Commercial applications. It is waterproof (IPX8 3 meters) with an internal transformer and intended to be wired to a fused (3 amp) spur outlet. Being fully waterproof it is suitable for commercial catering, shower blocks, urinals and other damp or hostile environments. It is especially suitable for protection of individual appliances but is also powerful enough to handle most domestic and light commercial requirements.
Water King 1 WK1 - A simple to fit DIY unit with external transformer. It has identical power output to the Sentry and has "Guard Chip" protection. The external transformer is available in a full range of pin configurations and supply voltages
Water King 2 WK2 - An intermediate sized unit with "Guard Chip" and external transformer. The extra pair of aerials can be used for treating a second pipe as well as reinforcing the signal applied to a single pipe.
Water King 3 WK3 - A powerful unit that will handle the majority of commercial applications. It is frequently specified to treat the cold supply to direct fired water heaters and paired with a Sentry on the secondary return. This dual package costs around £500 GBP. It has "Guard Chip" protection and output for a Building Management System to detect power failure.
Water King 4 WK4 - This unit is designed to treat larger pipe sizes up to 105mm. It has mains input with integral transformer, normally rated at 230 volts, but UL-approved 110 volts transformers can be supplied as an option. The enclosure is rated IP65
WK5 - This is the largest standard Water-King unit with the same dimensions, transformer options and features as the WK4. It has six aerial outputs arranged as three pairs and is capable of treating pipe sizes up to 159mm.
Commercial Water King Size Selection

Pipe Diameter

Having decided where to locate the Water-King, select the appropriate sized unit according to the pipe diameter. If hot water is provided by a Direct Fired water Heater then select the larger size according to maximum output rating.

Direct Fired Water Heaters

We recommend maximum heat ratings for different sized units and this also varies according to whether they are gas fired, oil fired or heated electrically.

Flow Rate

Flow rate is immaterial as far as Water-King is concerned. The greater the flow, the more effective the units tend to be.

To obtain our Specifiers Guide (PDF 258kb) CLICK HERE

 
WK1
Sentry
WK2
WK3
WK4
WK5
Selection
Maximum pipe diameter
28mm
28mm
42mm
67mm
108mm
159mm
Direct fired gas/oil boiler
35 kW
35 kW
50 Kw
350 Kw
750 Kw
1125 kW
Electrical boiler
15 Kw
15 kW
30 kW
50 kW
100 kW
150 kW
Product Data
Aerial number/length
2/1.8 m
2/2.0 m
4/2.0m
4/5.0 m
4/7.0 m
6/9.0 m
Minimum aerial turns
12
12
12
15
15
15
Frequency range
1-10kHz
1-10kHz
1-10kHz
1-10kHz
1-10kHz
1-10kHz
Peak to peak output voltage
82 v
82 v
82 v
82 v
82 v
82 v
power supply
230 v or 110 v
230 v
230 v or 110 v
230 v or 110 v
230 v or 110 v
230 v or 110 v
Input current
0.02A
0.02A
0.03A
0.04A
0.08A
0.1A
Power consumption
1W
1W
1W
1W
2W
3W
Transformer output
9v ac
Integral
9V ac
9v ac
Integral
Integral
Lead length
1.5m
1.5m
1.5m
1.5m
1.5m
1.5m
Dimensions (mm)
140x85x50
140x85x50
220x155x67
155x220x67
280x210x140
280x210x140
Weight
0.75 kg
0.80 kg
1.00 kg
1.25 kg
3.00 kg
3.25 kg
Ambient temperature
0 - 70 ° C
0 - 70 ° C
0 - 70 ° C
0 - 70 ° C
0 - 70 ° C
0 - 70 ° C
Humidity non-condensing
80%
Waterproof
80%
80%
80%
80%
Self-diagnostic Guard Chip
YES
YES
YES
YES
YES
YES
BMS output
NO
NO
NO
YES
YES
YES

Self-Diagnostic "Guard chip"

Every computer system is prone to malfunction, especially if there is a sudden variation in the power supply which can jam the program. Normally the system has to be reset by manually re-booting. Water-King units overcome this problem by an additional "Guard Chip" program which monitors the performance of the main program and resets the system automatically if it detects a variation or system failure. There is no need for manual resetting after power outage.

 

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Telephone:- +44 (0) 1608 811707
Facsimile:- +44 (0) 1608 819060
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