Product Handbook 2026 - Volume 1

Boiler house Level controls

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Local regulations may restrict the use of this product to below the conditions quoted. In the interests of development and improvement of the product, we reserve the right to change the specification without notice. © Copyright 2017

TI-P402-03 EMM Issue 9

WV1 Water Valve - Pilot Operated

Description The WV1 is a pilot operated diaphragm valve for use with water at up to 80 °C. The valve has a brass body and corrosion resistant internals. The solenoid is encapsulated, and is supplied with a removable cable socket to IP65 suitable for 3 core cable maximum 7 mm diameter and terminal maximum 1.5 mm². ½ " valves have the solenoid mounted centrally over the valve. The solenoid is mounted towards the outlet connection on larger sizes. Principal features: - For use with water up to 80 °C. - Full bore, except for 1¼" which has a reduced bore of 25 mm, normally closed operation.

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- Wide, non-critical voltage ranges. - Ideal for boiler feedtank supply. Sizes and pipe connections ½ ", ¾ ", 1", 1 ¼ ", 1½" and 2" screwed BSP Pressure / temperature limits Maximum design pressure

16 bar g

Maximum design temperature

80 °C

Minimum design temperature

10 °C

Maximum operating temperature

80 °C

½" WV1

Maximum ambient temperature

55 °C

Minimum operating temperature

10 °C

Maximum differential pressure

16 bar

Minimum differential pressure

0.2 bar

Designed for a maximum cold hydraulic test pressure of

24 bar g

Electrical data

Version Voltage range Frequency range

Power Supply

110 V

99 V to 121 V 50 to 60 Hz

230 V

207 V to 253 V 50 to 60 Hz

24 VA (inrush) 14 VA/8 W (hold)

¾" to 2" WV1 valve

Power consumption

Protection rating

IP65 *

*With cable plug correctly fitted and secured

Materials Part

Material

Body

Brass

Seals

Nitrile rubber

Coil housing

Polyamide

Cable socket

Polyamide

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