Watts Aerco Benchmark Series User Manual

Benchmark Platinum-Edge: Operation-Service Manual
SECTION 5 – SAFETY DEVICE TESTING
OMM-0137_D • GF-211 • 7/16/2019 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 58 of 146
HIGH Gas Pressure Test Instructions: BMK 750 – 2500
14. Upon test completion, close the ball valve and remove the manometer. Replace the 1/4"
NPT plug removed in step 2.
Figure 5-3a: BMK 750/1000 HIGH Gas Pressure Test Components
Figure 5-3b: BMK 1500/2000: HIGH Gas Pressure Fault Test
SSOV
GAS INLET
TO AIR/FUEL
VALVE
HIGH GAS PRESSURE
BALL VALVE
1/4” NTP PLUG
(Install manometer here
for High Gas Pressure
Test)
MANUAL SHUT-OFF
VALVE
HIGH GAS
PRESSURE SWITCH
LOW GAS
PRESSURE SWITCH
HIGH GAS BALL VALVE
1/4" NPT PLUG
(Install manometer here
for HIGH gas pressure
fault test)
NATURAL GAS
INLET
SSOV
TO
AIR/FUEL
VALVE
HIGH GAS
PRESSURE
SWITCH
LOW GAS
PRESSURE
SWITCH
MANUAL
SHUT-OFF
VALVE
(P/N 22322 shown)
(P/N 22314 shown)

Watts Aerco Benchmark Series Specifications

General

Brand	Watts
Model	Aerco Benchmark Series
Category	Boiler
Language	English