Belgrove, who is fifty-five, has worked on stoves for Park Avenue élites, Hollywood stars—including Stockard Channing, who played Rizzo in “Grease”—and at least one government official, who required security clearances. She also repaired the century-old Vulcan at Barney Greengrass. But most of her clients are ordinary people with ailing heirloom hearths. In her promotional TikToks, they appear overcome with gratitude, shouting—in joyous, if hostage-like, unison—“The Stove Lady saved our stove!”journey-inline-newsletterinline-newsletter