How do I cross-reference a Duplomatic valve?
Start with the source model, open its dedicated equivalent page, then verify connection, pressure, material, and actuation before sourcing a replacement.
Brand bridge
Use this page to move from brand-level demand into actual equivalent valve lookups. Start with popular Duplomatic models below, then validate family coverage and open the dedicated cross-reference page for the specific part you need to replace.
Start with the source model, open its dedicated equivalent page, then verify connection, pressure, material, and actuation before sourcing a replacement.
Not always. ValveXRef surfaces likely alternatives, but fit, pressure class, and control method still need to be confirmed on the specification page.
Use the brand page when you only know the manufacturer or family. Use the model-level cross-reference page when you already have a specific part number.

21400

24300

36200

61260

83215

21220

64310

65200

65210

65301

66200

66300

83100

83220

83220

83230

83270

83320

83230

83270

83320

21410

21420

23300

41505

45100

45110

45200

45300

41505

41153

41251

63200

63300

64201

65251

65360

81101

81211

81221

81221

81231

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81231

81251

81251

81321

81321

81321

81331

81331

81331

83220

83230

83270

83320

83350

81221

81251

21210