HONEYWELL C645A1022 GAS AND AIR PRESSURE SWITCH

3–21 in. w.c. | SPDT Contacts | Automatic Recycle | Industrial Pressure Control | Seller Refurbished – Good Condition

Condition

Seller Refurbished – Good Condition

This Honeywell C645A1022 gas and air pressure switch is offered in good refurbished condition. It is an industrial pressure-monitoring and switching component intended for compatible combustion control, HVAC, and gas or air pressure control systems.

Please review the listing photographs for actual appearance, pressure connection, electrical terminals, adjustment mechanism, manufacturer markings, and included components.

Product Overview

The Honeywell C645A1022 is a gas and air pressure switch featuring a supplied 3–21 inches water column (in. w.c.) pressure adjustment range, SPDT contact configuration, and automatic recycle operation.

Gas and air pressure switches are designed to monitor pressure conditions and change electrical contact states when the sensed pressure reaches the selected operating threshold.

The 3–21 in. w.c. adjustable range allows the switching point to be selected within the specified pressure range according to the requirements of the compatible equipment.

The SPDT (Single Pole Double Throw) contact arrangement provides a common terminal and normally open and normally closed switching paths, allowing integration into appropriately designed control circuits.

The automatic recycle function allows the switch to return to its normal switching state when the monitored pressure returns across the operating threshold, according to the device's differential and operating characteristics.

Honeywell pressure switches are commonly used in compatible industrial combustion equipment, HVAC systems, burner control assemblies, and gas or air pressure monitoring applications.

The C645A1022 model identification supports accurate replacement matching for equipment requiring the corresponding pressure range, contact arrangement, and automatic recycle operation.

Product Details

• Brand: Honeywell
• Manufacturer: Honeywell
• Model / Part Number: C645A1022
• Product Type: Gas and Air Pressure Switch
• Pressure Adjustment Range: 3–21 in. w.c.
• Pressure Unit: Inches of Water Column
• Contact Configuration: SPDT
• Contact Type: Single Pole Double Throw
• Reset / Recycle Type: Automatic Recycle
• Monitored Media: Compatible Gas and Air Systems
• Component Category: Industrial Pressure Control Switch
• Application: Gas and Air Pressure Monitoring
• Quantity: 1 Pressure Switch
• Condition: Seller Refurbished – Good Condition

Key Features & Benefits

• Honeywell Industrial Control: Pressure-switching component for compatible gas and air control applications.
• 3–21 in. w.c. Adjustment: Provides an adjustable pressure switching range for appropriate equipment requirements.
• SPDT Contacts: Supports normally open and normally closed switching paths through a common contact.
• Automatic Recycle: Allows automatic contact state recovery as pressure conditions change.
• Gas and Air Pressure Monitoring: Relevant for compatible combustion and HVAC control systems.
• Industrial Control Integration: Suitable for appropriately engineered pressure-monitoring circuits.
• Exact Model Identification: C645A1022 supports accurate replacement matching.
• Good Refurbished Condition: Quality industrial surplus component offered in the stated condition grade.

Applications

• Industrial gas pressure monitoring
• Combustion equipment pressure control
• Compatible burner management systems
• HVAC gas and air pressure control
• Industrial heating equipment
• Gas-fired equipment pressure supervision
• Compatible air pressure monitoring circuits
• Industrial equipment maintenance and repair
• Replacement of matching Honeywell C645A switches
• Maintenance, Repair, and Operations (MRO)

Included in This Listing

1 x Honeywell C645A1022 Gas and Air Pressure Switch – 3–21 in. w.c. – SPDT – Automatic Recycle

QUANTITY: 1 PRESSURE SWITCH PER PURCHASE.

Additional pressure tubing, fittings, wiring, mounting hardware, and accessories are included only when specifically stated or shown in the listing photographs.

Important Product Information

Please verify the Honeywell C645A1022 model, 3–21 in. w.c. pressure range, SPDT contact configuration, automatic recycle function, pressure connection, and equipment compatibility before purchasing.

Pressure Calibration: The actual switching point, reset differential, and contact operation should be checked against the manufacturer's specifications before the switch is placed into service.

Gas and Combustion Safety: Pressure switches used in fuel gas or combustion systems may perform safety-related functions. Proper operation, pressure response, and suitability for the intended system must be verified by qualified personnel before installation or use.

Electrical Compatibility: Confirm contact voltage and current ratings, wiring arrangement, pressure connection specifications, and applicable safety requirements from the manufacturer documentation.

Installation: Follow applicable Honeywell instructions, combustion equipment requirements, and electrical safety procedures.

Photos are part of the item description.

Local Delivery

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Return Policy

We offer a 30-Day Money Back Guarantee.

Buyer pays return shipping on buyer-remorse returns. Returns are accepted within 30 days. Items must match the description and are sold as displayed.

For multiple quantity listings, the exact unit shown in the photos may not be the exact unit received.

International Customers

International customers outside the U.S. may be subject to customs or duty fees.

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