Watts Aerco Benchmark Series Installation And Start-Up Manual

Benchmark Platinum-Edge [ii]: Installation Manual
SECTION 2 – INSTALLATION
OMM-136_E • GF-210 • 12/13/2019 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 23 of 57
2.6.2 BMK1500 – 4000 Supply and Return Piping
Benchmark Platinum 1500 – 3000 units have one 4” (10.2 cm) 150# flange for the water INLET
(supply) and one 4” (10.2 cm) 150# flange for the hot water OUTLET (return) piping
connections. They also include an optional second 4” (10.2 cm) 150# flange for the water
INLET, as shown in Figure 2-4b.
Figure 2-4b: BMK1500 – 4000 Supply and Return Locations
Benchmark Platinum 4000 units have the same number and location of inlet, outlet and gas
piping, but they have 6” (15.2 CM) 150# flanges, and the Natural Gas inlet pipe is 3".
CONDENSATE DRAIN
HOT WATER
OUTLET
(SUPPLY)
SECONDARY WATER INLET
(WARMER WATER RETURN)
AIR INLET
PRIMARY
WATER INLET
(COOLER WATER
RETURN)
EXHAUST MANIFOLD
BMK1500/2000
BMK2500-3000
2” NATURAL GAS OR
1” PROPANE INLET

Watts Aerco Benchmark Series Specifications

General

Brand	Watts
Model	Aerco Benchmark Series
Category	Boiler
Language	English