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11
7.
Screw an installer-supplied 1¼” pipe or
nipple into the water return tapping “R”.
8.
Screw the supplied drain valve into tapping
“D”.
6. CoNNeCt BoILeR WAteR PIPING (continued)
9.
See Figure 6b for suggested near boiler
piping of IQ Options.
6-b
Item
Description
Burnham Part Number
1
1¼ x 1¼ x ½ Tee
806601021
2
Immersion Well, ½ NPT
80160456
3
1¼ x 6 Nipple
806600029
4
1¼ Tee
806601030
5
1¼ x ¾ Bushing
806600504
6
LWCO Sensor, ¾ NPT
102305-01
7
1¼ x 3 Nipple
806600005
8
1¼ Elbow
806601528
Summary of Contents for ES2
Page 5: ... Figure S 1 Minimum Clearances to Combustibles and Closet Dimensions SPECIFICATIONS continued ...
Page 27: ...27 Internal Wiring Figure IW 1 Wiring Diagram ...
Page 28: ...28 Internal Wiring continued Figure IW 2 Wiring Schematic ...
Page 35: ...35 THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 39: ...39 Figure D 0 Piping Schematic Symbols APPENDIX D System Piping continued ...