A.O. Smith A Comprehensive Guide to Optimizing Your Water Heater Performance

EES

Dimensions

EES 6-20 EES 30-120

EES

Installation diagrams

	EES 6	EES 15	EES 20	EES 30	EES 40	EES 52	EES 66	EES 80	EES 120
A	400	825	820	930	1110	1370	1530	1540	1620
D	360	360	460	520	520	520	560	610	710
F	75	75	75	930	1110	1370	1530	1540	1620
R	-	-	100	110	110	110	110	110	110
S	270	700	680	730	970	1210	1360	1330	1385
1	Cold water			3/4-14 NPT
2	Hot water			3/4-14 NPT
3	T&P valve			3/4-14 NPT
4	Tank drain valve			3/4-14 NPT
				(n/a for EES 6/15/20)

Dimensions in mm. All EES water heaters receive a five years

warranty on the tank and one year on parts.

1Pressure reducing valve

3 T&P valve

Vented	4	Stop valve
	5	Non-return valve
	9	Drain valve
	11	Isolating valve
	15	Expansion relief valve
	16	Expansion vessel
	17	Three way valve
	18	Water tank
	19	Float valve
	A	Cold water
	B	Hot water
	E	Overflow pipe
	H	Expansion vent pipe
EES 6-20	EES 30-120
	A.O. Smith unvented system
Unvented	kits utilise combination valves.
	Further installation and
	connection details can be
	found in the Installation &
	Commissioning Manual.

EES 6-20 EES 30-120