Bosch Appliances GWH-345/450-ESR-N manual Pressure, Inlet, Water flow rate, Water quality

Appliance details

Pressure drop curves

Note: Flow above 6 GPM is not permitted.

	50	feet of head
				GWH 345 ESR
pressure	40	feet of head
	30	feet of head
	20	feet of head
Inlet
	10	feet of head
	0	feet of head
		0 GPM	1 GPM	2 GPM	3 GPM	4 GPM	5 GPM	6 GPM
				water flow rate

Fig. 8 GWH 345 ESR

	50	feet of head
				GWH 450 ESR
pressure	40	feet of head
	30	feet of head
	20	feet of head
Inlet
	10	feet of head
	0	feet of head
		0 GPM	1 GPM	2 GPM	3 GPM	4 GPM	5 GPM	6 GPM
				water flow rate

Fig. 9 GWH 450 ESR

2.7Water quality

Water quality can have an impact on appliance performance and appliance longevity, and may not be covered by the manufacturer's warranty.

For water analysis data call your local water department. If on a well system, have well water analyzed periodically. If water quality is exceeding one or more of the values specified below, Bosch recommends installing a water condi- tioner or softener.

Descri-	pH	TDS	Total	Aluminum	Chlorides	Copper	Iron	Manganese	Zinc
ption		(Total	hardness
		Dissolved
		Solids)
Max.	pH	mg/l or	mg/l or	mg/l or	mg/l or	mg/l or	mg/l or	mg/l or ppm	mg/l or
Levels	range	ppm	ppm	ppm	ppm	ppm	ppm		ppm
	6.5-8.5	500	100 (6	0.2	250	1.0	0.3	0.05	5.0
			grains)

Table 2 Venting Specifications

6 720 607 909 9