383-500-398 | 4 VENT REPLACEMENT KIT | Weil McLain Collection_ Regulator Valve Parts This plunger features a 5/8-11

This plunger features a 5/8-11 thread size and a heavy-duty

making it an ideal choice for space-constrained applications

1/2" x 1/2" Series 17 Hot Water Relief Valve 150 PSIG

Easy Installation and Maintenance: The compact design makes installation and maintenance a breeze

383-500-398 | 4 VENT REPLACEMENT KIT | Weil McLain Collection_ Regulator Valve Parts This plunger features a 5/8-11Weil McLain 4 VENT REPLACEMENT KIT (383 500 398)4 VENT REPLACEMENT KIT, for use with Weil McLain boilers. Replaces part numbers: 383 500 398, 383 501 398, 383 502 398, 383 504 398, 383 506 398, 383 507 398,383 510 398, 383 526 398, 383 529 398, 383 534 398, 383 544 398, 383 545 398, 383 549 398, 383 551 398, 383 552 398, 383 553 398, 383 555 398, 383 556 398, 383 557 398, 383 559 398, 383 560 398, 383 561 398, 383 562 398, 383 563 398, 383 565 398,