Armstrong International strainers, connectors and assorted components listed by part number — cast iron, bronze and stainless strainers with .045 perforated screens, connectors with integral strainers, separators, diaphragms, cartridges, thermocouples and adjusters. This list covers the parts that don’t fall under traps, repair kits, regulators or humidifiers. Search by part number, or send us the number from your unit. If it isn’t listed, send it anyway. Requests received before 3 PM ET are typically quoted the same business day.
148 part numbers
| Part number | Description | Quote |
|---|---|---|
| D296 | Wire Harness | Get a quote |
| C1953 | SteamChamber w/Scrubble&Screen | Get a quote |
| C3358 | Low Flow Adjuster For 535 | Get a quote |
| C4882 | 1" CONNECTOR W/STRAINER | Get a quote |
| C4920 | 3/4" IS-2 S.S.ConnW/Strainer | Get a quote |
| D501498 | 3/4" LIQUID STRAINER 36# S.S. | Get a quote |
| D501183 | 3/4" LIQUID STRAINER 137# C.I. | Get a quote |
| D58644 | 665 Flo-Rite Heat Exchanger | Get a quote |
| A9746 | TANK BARRIER | Get a quote |
| D56585 | 1/2" THERMOSTATIC RETURN LIMIT | Get a quote |
| D39835 | RESTRICTOR ASSEMBLY | Get a quote |
| D59025 | HIGH TEMP CARTRIDGE ASSEMBLY | Get a quote |
| A10579 | 5/8" ELBOW-BARBED | Get a quote |
| D60516 | DIAPHRAGM DISC | Get a quote |
| D48873 | DIAPHRAGM SUPPORT DISC | Get a quote |
| D24663 | LV-4 ThermostaticOpW/16.5'Snsr | Get a quote |
| D24664 | LV-4W ThermostatOper 6.5'Sens | Get a quote |
| D24665 | LV-4W ThermostatOpW/16.5'Sens | Get a quote |
| D24457 | MV-3 ManualThermostaticOper | Get a quote |
| B6990 | B1SW 1"SWT Y-STRNR .045"SCREEN | Get a quote |
| D25249 | MAIN DIAPHRAGM 2000 SERIES | Get a quote |
| D248 | DRAIN CUP,H SERIES | Get a quote |
| D8309 | TS-2 3/4"ANG BRN 50# RaditrTrp | Get a quote |
| A10718 | 3 AMP FUSE | Get a quote |
| D8958 | 1/2" VACUUM BREAKER | Get a quote |
| A21884 | 50 AMP FUSE | Get a quote |
| A23237 | TEE BARBED HDPE 5/8 | Get a quote |
| A21375 | O Ring For 700 | Get a quote |
| A5434 | 6LD FLOAT | Get a quote |
| D32600 | Diaphragm Assembly | Get a quote |
| C4951-2 | 1/2"NPT CI STRAINER .045PerfSS | Get a quote |
| B5605 | MULTI TAP PRIM 24VAC SECONDARY | Get a quote |
| C4424-2 | 1"NPT CI STRAINER .045PerfSS | Get a quote |
| B5480-2 | 1 1/4"NPT CI STRAINER .045Perf | Get a quote |
| D10866 | EMERGENCY STOP BUTTON | Get a quote |
| C4425-2 | 1.5"NPT CI STRAINER .045PerfSS | Get a quote |
| B3814-1 | 24V 180# S/R 2/10VDC W/LINKAGE | Get a quote |
| A1747E | SCREEN 880/811 SS T304 | Get a quote |
| A3074G | RETAINER SCR 880/81/82 3/8 NPT | Get a quote |
| A21998 | EXHAUST GAS THERMOCOUPLE | Get a quote |
| A3240A | SCREEN 882/982 SS T304 | Get a quote |
| A21861 | 1/2" CD-33S W/Strainer 600# | Get a quote |
| B4065 | BONNET ASSY ON ACV2,ACV3,ACV4 | Get a quote |
| A3635A | SCREEN 883 SS T304 | Get a quote |
| B4065-ACV6 | BONNET ASSY FOR ACV6 | Get a quote |
| D58356 | Single Wall Tube Bundle | Get a quote |
| B3789-1 | RETAINER SCR 883 1/2 NPT | Get a quote |
| A8567-17 | OVERFLOW TUBE | Get a quote |
| D4415 | SteamGeneratorAssy3ph240v | Get a quote |
| D47461 | HAFT-4 150#ASME HorizFlashTank | Get a quote |
| FH2414 | PT300/3500/400 Pump Rebuild Ki | Get a quote |
| D9022 | BATTERY CR-P2 6 VOLT | Get a quote |
| D17072 | 1AVC 3/4"X1/2"X1/2"NPT 1/8" | Get a quote |
| D24393 | Filter | Get a quote |
| D4422 | Tank Assembly | Get a quote |
| C4427-2 | 3/4"NPT CI STRAINER .045PerfSS | Get a quote |
| B4923-2 | B1SC 3/4" CCS Y-Strainer | Get a quote |
| D72 | LowerHalfSteamGenerator500/400 | Get a quote |
| D25974 | 2"NPT DUCTILE IRON SEPARATORS | Get a quote |
| D500573 | 1"NPT BRONZE STRAINER .045Perf | Get a quote |
| A23514 | Diaphragm 81,82,83,84 | Get a quote |
| D7393 | DIAPHRAGMS FOR 415 HEATER | Get a quote |
| D500639 | 1.5"NPT BRONZE STRNR .045Perf | Get a quote |
| D515092 | 1/2"NPT BRONZE STRNR .045Perf | Get a quote |
| A23516 | .02 Flow Restrictor F/9000 Ser | Get a quote |
| D500638 | 2"NPT BRONZE STRAINER .045Perf | Get a quote |
| C5139-1 | 3/4"NPT BRONZE STRNR .045Perf | Get a quote |
| D7465 | Diaphragm For 535 | Get a quote |
| D24733 | 3/4" 12.5"LONG BRASS THERMWELL | Get a quote |
| D42723 | 12GPM CONDENSATE COOLER | Get a quote |
| D42722 | 5GPM CONDENSATE COOLER | Get a quote |
| D500607 | E7SC 1"NPT S.S.Y STRAINER | Get a quote |
| C4560 | Float Level Assembly | Get a quote |
| D42724 | 25GPM CONDENSATE COOLER | Get a quote |
| A5013 | WASHER 91 | Get a quote |
| D693897 | E7FL-150 3/4" YStrainer CastSS | Get a quote |
| D8969 | TEMP GAUGES FOR FLO-ECO | Get a quote |
| D3610 | TVS-4000,3/4",L to R,Connector | Get a quote |
| D3612 | TVS-4000,3/4",R to L,Connector | Get a quote |
| A5572 | 3/8" Vacuum Breaker | Get a quote |
| A5005 | FLOAT FOR 1AV | Get a quote |
| A5628 | 1/2" Vacuum Breaker | Get a quote |
| A5754-2 | Spacer Nut L & LS Series | Get a quote |
| D39534 | 8120 High Flow Adjuster | Get a quote |
| D60524 | LOW FLOW ADJUSTER | Get a quote |
| D58389 | LEAD FREE CARTRIDGE ASSY | Get a quote |
| A5829 | FLOAT & LOCKNUT 250PSI MAX | Get a quote |
| D39836 | Flo Rite Restrictor Assembly | Get a quote |
| FH1124 | GAUGE GLASS ASSEMBLY F/PT300'S | Get a quote |
| D90917 | TEMPERATURE IND RING | Get a quote |
| D503469 | 4"Flg 250RF A1FL-250 Y-Strnr | Get a quote |
| FH1640 | 10"BrassGaugeGlassAssy PT-104 | Get a quote |
| FH2089 | PlasticGskt F/FH1124 PT Series | Get a quote |
| D58163 | 425/425R Port Sleeve Assembly | Get a quote |
| A8608 | Drain "O" Ring F/600,601,602 | Get a quote |
| D59021 | CARTRIDGE ASSY LEAD FREE | Get a quote |
| D3448-2 | 3/4" IS-2 S.S.ConnW/BlowDown | Get a quote |
| A8847-1 | 1/2" S.S. POP DRAIN | Get a quote |
| D517930 | 1/2"x1/2" 150# LIQUID DRAIN | Get a quote |
| A9330 | Diaphragm (Humid 91,92,93,94) | Get a quote |
| D500392 | 3/4×3/4" 150# LIQUID DRAIN | Get a quote |
| D693689 | Y-STRAINER | Get a quote |
| D68927 | GEAR DRIVE ASSEMBLY | Get a quote |
| D58651 | 535 Flo-Rite Heat Exchanger | Get a quote |
| D25914 | 1.25"NPT Ductile Separator | Get a quote |
| GP-2000P-3/21 | PressurePilot 3-21# | Get a quote |
| B2716-11 | 3/8" hose clamps | Get a quote |
| B2716-18 | 5/8" hose clamp | Get a quote |
| B2721 | 50 AMP CONTACTOR | Get a quote |
| D33468 | LOW TEMP CARTRIDGE | Get a quote |
| 200ICS6RHSW | 1.5"SocketWeld200# R-L Horz. | Get a quote |
| 981050300F250 | 981 1/2" 300# FLG "A" 7/64" | Get a quote |
| D500699 | 22LD 3/4" LIQ STRAINER 5/64"OR | Get a quote |
| D59024 | CARTRIDGE ASSY LEAD FREE | Get a quote |
| D500612 | 3" A1FL125 Strainer | Get a quote |
| A19699 | 5/8"ID SiliconeTube per foot | Get a quote |
| A8581 | High Limit Duct Stat | Get a quote |
| D56143 | LOW FLOW ADJUSTER, LEAD FREE | Get a quote |
| D25907 | MS-6 1" NOISELESS HEATER | Get a quote |
| D39135 | MOTOR,2HP,3PH AFH-4200 | Get a quote |
| FH1546 | FLOAT ONLY | Get a quote |
| A22925 | Main PC Contr Board less Modul | Get a quote |
| GP-2000P-R-15/200 | PressurePilot 15/200# RemoteMt | Get a quote |
| GP-2000P-R-3/21 | PressurePilot 3/21# RemoteMt | Get a quote |
| D10872 | WIRING HARNESS | Get a quote |
| B2311D-2 | 3/4"SS Socket Weld Connector | Get a quote |
| B2311C-1 | 1/2" S/S CONNECTOR F/2010,2011 | Get a quote |
| B2311C-2 | 3/4" S/S CONNECTOR F/2010,2011 | Get a quote |
| B4065-1400 | Bonnet Assy 1400 Series MP953 | Get a quote |
| D500455 | 1AVC 3/4"X3/4" 1/2"OUTLET | Get a quote |
| B2657 | Retainer | Get a quote |
| D25250 | Main Diaphragm,2000-series | Get a quote |
| B2822 | TANK RETAINER CLIP | Get a quote |
| D56577 | 1/2" Thermostatic Limiter | Get a quote |
| D18462 | TEMPERATURE ADJUSTMENT KEY | Get a quote |
| D18463 | CARTRIDGE REMOVAL TOOL | Get a quote |
| B3874 | High Flow Adjuster For 535 | Get a quote |
| D4542 | WIRE HARNESS | Get a quote |
| D24659 | LV-4W WallMtThermostaticOper | Get a quote |
| B2856 | Cable Assembly – LED Display | Get a quote |
| B2857 | Cable Assembly – HEX Display | Get a quote |
| B5268 | LONG PROBE | Get a quote |
| A8993 | Scrubble Screen for AM-91 | Get a quote |
| D16915 | VERI-FLAME SCANNER | Get a quote |
| C4559 | Level Canister | Get a quote |
| B5269 | SHORT PROBE | Get a quote |
| B4924-1 | 1/2"SocketWeld CAST CARB STRNR | Get a quote |
| D24529 | Bellows Follower | Get a quote |