Dunkirk D249 Series Commercial Boiler - Manual (Page 6)

Boiler feed pump return additional parts See Table #5b.
See Figure #2 for installed locations of additional parts.
• Tappings B & B - Water gauge glass set and
pressuretrol (requires fittings 4-7 in Table #5b).
• Tapping D - Steam gauge and pressuretrol (requires
fitting 8 in Table #5b).
• Tappings E & F - LWCO (auto and manual) and
pump control. Installer supply and size the steam
(top) and water (bottom) equalizing pipe lengths so
the horizontal cast line on the control body is 28”
above floor. Secondary control is 24” above the floor.
See Figure #2.
Table #5b: CSD-1 Steam Trim Carton Material List For
Boiler Feed Pump Return (Part No. 41257104)
Item Description Part No. Qty.
1 Pressure Switch Control, Manual Reset 14662311 1
2 LWCO and Pump Control (primary) 14626306 1
3 LWCO, MAN RESET, CSD-1 APRVD, SHT PROBE 240007388 1
4 90° Brass Syphon, ¼” 14643004 1
5 Brass Nipple, ½” x 3½” 14607024 2
6 Brass Tee, ½” x ½” x ¼” 14693051 2
7 Brass Coupling, ½” 14693052 2
8 Bushing, ½” x ¼” 1060001 1
BOILER FEED PUMP RETURN
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