Resideo - Honeywell Home AT87A1189 Standard TransformerAT87A1189 Standard Transformer delivers reliable low voltage power from a 277V AC supply for residential control systems. It provides a 24V AC secondary and is rated for 50 60 Hz operation, supporting a wide range of ignition and control circuits. With 48 VA of power, this transformer is built for steady performance in compact spaces and is housed in a NEMA Type E enclosure for durability. Designed for panel or foot mounting, it pairs well with

Replacing worn components restores optimal humidification without downtime

The durable rectangular horizontal cover suits modern interiors and wiring is straightforward with terminals such as RC

It's ideal for service teams seeking a straightforward replacement that maintains performance specs and supports ongoing system efficiency

Its versatile mounting position accepts 90-degree configurations from upright

Johnson Controls M9116-GGA-2 Electric Damper Actuator delivers precise proportional control for HVAC dampers

3-inch diameter port

41 inches long

it meets stringent North American safety standards

Compatible with MS4103A1130 and MS8103A1130 hardware

8 Inch WC rating to detect subtle changes in flue gas flow and protect the furnace from improper operation

reducing thermal spikes and extending unit life

Goodman 10728325 is a board mount limit switch designed for precise