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Benchmark 5000-6000 Boiler Installation & Startup Manual
SECTION 2: INSTALLATION
When connecting the hot water outlet and cold water inlet to building piping, first make sure the
mating surfaces are thoroughly clean. AERCO recommends using Loctite ® 7649 to prime the
mating surfaces and then Loctite 567 as pipe dope. Do NOT use Teflon tape.
See Sections 2.12 and 2.13 for information on the flue vent and air intake.
1-1/2" PROPANE GAS INLET
(DUEL FUEL & PROPANE
ONLY)
Figure 2-5: Supply and Return Locations (Dual Fuel Model Shown)
OMM-0123_E • GF-207 • 12/17/2019
DRAIN VALVE
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
WATER OUTLET
6" (15.24 cm)
AIR INLET
14" (35.6 cm)
6" (15.24 cm)
WATER INLET
2" NATURAL
GAS INLET
CONDENSATE
DRAIN
Page 18 of 95
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