Replacement Parts List

GAS\OIL
330 Discontinued Service Parts
78
Water Trim Parts
Fig.
No.
Part No. Description Mfr.
Mfr.’s Part
No.
1
383-600-091
ASME Pressure Relief Valve, Set To Relieve
At 30 PSIG, ¾" N.P.T. Female Inlet, Brass, ¾"
Female Side Outlet, Rated At 375,000 Btu/Hr
Boiler Sizes (378 & 478)
Watts M330
383-600-063
ASME Pressure Relief Valve, Set To Relieve
At 30 PSIG, ¾" N.P.T. Female Inlet, Brass, 1"
Female Side Outlet, Rated At 925,000 Btu/Hr
Boiler Sizes (578 - 878)
Watts 740
383-600-092
ASME Pressure Relief Valve, Set To Relieve
At 30 PSIG, 1" N.P.T. Female Inlet, Brass, 1¼"
Female Side Outlet, Rated At 1,300,000 Btu/Hr
Boiler Sizes (978 - 1178)
Watts 740
383-600-093
ASME Pressure Relief Valve, Set To Relieve At
30 PSIG, 1¼" N.P.T. Female Inlet, Brass, 1½"
Female Side Outlet, Rated At 2,105,000 Btu/Hr
Boiler Size (1278)
Watts 740
2 510-218-099
Combination Pressure Temperature Gauge, 2½" Dia. Dial, 0-170
PSIG, 70-320°F, Short Shank, Back Connection, ¼" N.P.T.
Ametek 199994
ENF-USA ¼ CBM
3 510-312-065
Combination High Limit/Low Limit Control High Limit: 140-240°F
Low Limit: 140-240°F With 5-35°F Adjustable Differential: Low
Limit Must Be Set 20°F Below High Limit
White-
Rodgers
11C30-3
Honeywell L4081A1189
N/S
590-921-917
Tankless Heater - Water Or Steam (Includes: Heater, Gasket,
Nuts and Studs)
78-34
560-340-577 Tankless Nut And Stud Weil-McLain