Watts AquaGuard

Hose Connection Vacuum Breaker Device (BHCV)

Sizes	To suit 15mm and 20mm hose taps	COMPACT HIGH FLOW DESIGN
Hazard Rating	Low
Must be registered	No
Standard	AS2845.1
Testable	No
Protection against back pressure and back-siphonage?	Back--siphonage only, however AquaGuard will withstyand small amounts of back pressure that could occur if the end of the hose is higher than the hose tap

Pressure & Temperature	Working Pressure: 1400kPa Test Pressure: 2000kPa Maximum Working Temperature: 42ºC
Testing & Maintenance requirements	No testing required. Check regulatory Authority requirement.

Specific Installation Requirements

AQUAGUARD MODEL BHCV50

TYPICAL INSTALLATION

COMPLIES WITH AS3500.1 (TABLE 4.2) FOR USE ON ALL EXTERNAL HOSE TAPS

RMC™ GIVES YOU THE BEST FLOW RATES FOR THIS TYPE OF VALVE (36 l/min at 175kPa)

Features
	Large flow passages
	Foolproof design reduces chance of disabling through closing off vent holes
	Far Exceeds the requirements of AS2845.1 for flow capacity and pressure loss
Specific Installantion Requirements
	Shall not, under normal operation, be subject to continuous pressure
	To be vented to atmosphere
	If the device is removed, another device of equal or greater hazard rating to be installed in the water supply
	Have no isolation valves located downstream of the vacuum breaker. (This includes solenoids, shut off devices and automatic valves)
	Not to be subject to freezing temperatures
	For use with irrigation sprinkler heads less than 150mm above ground level. The AquaGuard should be located 450mm above the highest outlet. Not to be used with injection systems.

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