Lennox 45H03 - ( 45H0301 ) Relay, DPDT, 24 Volts
Lennox 45H03 - (45H0301) Relay, DPDT, 24 Volts
The Lennox 45H03 (catalog number 45H0301) is a double pole double throw (DPDT) relay specifically engineered for HVAC control applications. With a 24-volt AC coil, this relay is ideal for use in control circuits where reliable switching of multiple loads is required. It plays a critical role in managing various system operations, such as energizing fan motors, compressors, reversing valves, and other electromechanical components in heating and cooling systems.
Product Features:
- Relay Type: DPDT (Double Pole, Double Throw), offering two independent switching circuits per activation
- Coil Voltage: 24 Volts AC – compatible with standard HVAC control systems
- Mounting Style: Plug-in base with 8-pin terminal connections for quick installation and replacement
- Contact Rating: Designed for control circuit-level switching with dependable electrical performance
- Durability: Constructed with high-quality materials for long service life and resistance to electrical wear
- Compact Design: Space-efficient form factor suitable for use in tight control panel enclosures
Applications:
- Commonly used in Lennox HVAC systems for controlling multiple electrical loads
- Supports automation of fans, dampers, solenoids, and other low-voltage switching devices
- Can be implemented in both residential and light commercial equipment
Technical Advantages:
- Dual-Circuit Switching: Ability to control two separate circuits simultaneously with a single coil activation
- Low Voltage Operation: Compatible with 24V control logic widely used in HVAC equipment
- Serviceability: Easily replaceable with standard DPDT relay sockets or wiring harnesses
Compatibility:
The Lennox 45H03 relay is a direct OEM replacement part for various Lennox models. Always verify part compatibility with your equipment using the unit’s model number or consult your system manual.
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Trust us to supply the parts you need to restore system performance and maintain long-term HVAC reliability.
| Package Quantity | 1 Item |
|---|---|
| Item Returns | This item can be returned |
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