Resideo - Honeywell Home ZD24X20TZ Automatic Rectangular DamperZD24X20TZ, a 24x20 inch 24V automatic rectangular damper, delivers precise zoning for residential HVAC with Truezone technology. This compact, high precision damper is built for automatic airflow control, fitting standard ductwork and seamlessly integrating with Honeywell Home systems to improve comfort, reduce energy waste, and support smart home automation. Whether youre upgrading an older system or installing a new Truezone zoning setup, this

The Armstrong 57W95 supports consistent blower performance by maintaining a dependable seal throughout service life

you can trust safety and compliance across installations

It supports multiple part numbers including DRYC123B25AM

Designed as a genuine replacement part

Durable materials ensure long service life in HVAC applications

rated at 1/8 HP

with high limit up to 210°F

tool-free replacement design minimizes downtime during service

Compatibility: Maxitrol R11110-1530 and 210G gas regulators

delivering a secure

Coil Voltage: 24 VAC at 60 Hz

Operating range: 32–200°F