i
6 4 9 1 2 16;
f
e
7
FRONT
15
10
8
14
11;<
REAR
1
2
3
4
5
6
7
16
4" NPT Supply Tapping, Front Section 8
4" NPT Supply Tapping, Rear Section 9
3" NPT Return Tapping, Rear Section 10
Not Used On Steam, 11
1/2" NPT Tapping - Plug 12
(2) 1/2" NPT Gauge Glass or 13
LWCO Tapping
Tankless Coil Temp Control Tapping,
3/4" NPT, Only with Tankless Coil Installed 14
Relief Valve and Skim Tapping, 21/2" NPT 15
Not Used On Steam, 3/4" NPT - Plug
Pressure Ctrl/Gauge Assembly,
3/4" NPT Tapping
Secondary Probe LWCO Tapping, 3/4" NPT
Not Used On Steam,
1" NPT Tapping - Plug
Drain Tapping, 3/4" NPT
NOt Shown - 1" NPT Tapping in Side and
Top of First Intermediate - for LWCO
Not Used On Steam,
(2) 3/4" NPT Tapping - Plug
Tankless Coil Temp Control Tapping, 3/4" NPT, Only with Optional Tankless Coil Back Section
Figure 29: Control and Pipe Tapping Locations
33