Section 1: ProFire Burner Parts CHAPTER 9
750-177 9-5
M1
M2
M3
M4
5
2 OR 4
1 OR 3
14
16
5
12
10
7
6
10
15
8
9
ITEM NO. DESCRIPTION QTY
PART NO.
1 — 1/2” 2” 2 — 1/2” 3”
1 VALVE (STD) TABLE 9-2B 940-4538 940-4539 940-4540 940-4541
2 ACTUATOR (STD) TABLE 9-2B 945-139 945-139 945-139 945-139
3 VALVE (POC) TABLE 9-2B 940-4543 940-4544 940-4545 940-4546
4 ACTUATOR (POC) TABLE 9-2B 945-143 945-143 945-143 945-143
5 MANUAL SHUT-OFF VALVE
A
2 941-1946 941-1947 941-129 941-130
6 LOW GAS PRESSURE SWITCH (1-26”) 1 817-789 817-789 817-789 817-789
LOW GAS PRESSURE SWITCH (3-21”) 1 817-774 817-774 817-774 817-774
7 HIGH GAS PRESSURE SWITCH 1 817-1935 817-1935 817-1935 817-1935
8 MAIN VENT VALVE (3/4”) 1 948-2 — — —
MAIN VENT VALVE (1”) 1 — 948-53 — —
MAIN VENT VALVE (1 - 1/4”) 1 — — 948-54 948-54
9 VENT VALVE NAMEPLATE 1 118-492 118-492 118-492 118-492
10 S.O. NIPPLE (GPS) 1 157-1730 157-1722 157-1723 157-1724
11 S.O. NIPPLE (MGVV 3/4”) 1 157-445 — — —
S.O. NIPPLE (MGVV 1”) 1 — 157-1043 — —
S.O. NIPPLE (MGVV 1 - 1/4”) 1 — — 157-1042 157-1041
12 PRESSURE REQUIRED NAMEPLATE 1 118-3139 118-3139 118-3139 118-3139
14 MAIN REGULATOR
B
1 SEE TABLE 9-2A
15 SOLENOID VALVE 1 940-1075 940-1054 940-1025 940-1418
16 REGULATOR VENT TAG 1 118-2062 118-2062 118-2062 118-2062
A. USE P/N 941-127 ON 1-1/2” TRAIN & 941-128 ON 2” TRAIN FOR ORDERS DESTINED FOR CANADA.
Figure 9-2: Main Gas Train (1 of 3)
11
Burner Ratings
Gas Train Insurance Designation
Standard FM IRI
1.5 - 2.5
MMBtu/hr
M1 M2 M4
2.51 - 5.00
MMBtu/hr
M2 M2 M4
5.01 - 12.00
MMBtu/hr
M3 M3 M4
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