Burnham IN10 manual Probe L.W.C.O Float L.W.C.O Tankless Heater

Figure 2: Section Tappings

Table 1: Trim and Control Installation in Section Tappings

Tapping	Size	Steam Boiler with	Steam Boiler with	Water Boiler	Water Boiler with
	(NPT)	Probe L.W.C.O.	Float L.W.C.O.		Tankless Heater
A	2	Supply	Supply	Supply	Supply
B	½	Bush to ¼	Plug	Plug	Plug
		Pressure Gauge
			Nipple & ½ Union	Plug Lower Tapping Bush	Plug Lower Tapping Bush to
C	½	Gauge Glass	Gauge, L.W.C.O. Street	to ¼ Upper Tapping	¼ Upper Tapping
			Elbow, Syphon & Limit	Press./Temp. Gauge	Press./Temp. Gauge
				Bush to 1½, 3" Npl, Elbow,	Bush to 1½, 3" Npl, Elbow,
D	2	Return	Return	2" Npl, Circ. Flange,	2" Npl, Circ. Flange,
				Gasket, Circulator Return	Gasket, Circulator Return
E	¾	3" Nipple & Street Elbow	3" Nipple & Street Elbow	3" Nipple & Street Elbow	3" Nipple & Street Elbow
		Safety Relief Valve	Safety Relief Valve	Safety Relief Valve	Safety Relief Valve
F	2	Bush to ¾ Drain Valve	Bush to ¾ Drain Valve	Bush to ¾ Drain Valve and/or	Bush to ¾ Drain Valve and/or
		and/or Optional Return	and/or Optional Return	Optional Gravity Return	Optional Gravity Return
G	2	Optional Supply (IN3-6)	Optional Supply (IN3-6)	Plug (IN3-12)	Plug (IN3-12)
		Required Supply (IN7-12	Required Supply (IN7-12	Optional Gravity Supply	Optional Gravity Supply
H	¾	Bush to ¼ &	Bush to ¼	Well	Well
		Syphon Limit	Pressure Gauge	Limit	Limit
J	¾	Not Applicable	Not Applicable	Not Applicable	Tankless Heater
K	¾	Low Water Cutoff	Plug	Plug	Plug
L	1	Factory Plugged	Factory Plugged	Factory Plugged	Factory Plugged
		Surface Blow-Off	Surface Blow-Off
M	1¼	Factory Plugged	Factory Plugged	Factory Plugged	Factory Plugged
		Alliance Return	Alliance Return
N	1¼	Factory Plugged	Factory Plugged	Factory Plugged	Factory Plugged
		Alliance Supply	Alliance Supply
P	¾	Factory Plugged	Factory Plugged	Factory Plugged	Factory Plugged
		Alliance Limit	Alliance Limit