Four Seasons 20947 HVAC Binary Switch

Four Seasons 20947 Pressure Switch Overview

Four Seasons 20947 is a system-mounted HVAC binary pressure switch built for pressure-based A/C circuit control. It uses a round male connector, 2 terminals, and an 11mm x 1.00 male thread fitting for a direct service replacement on supported Honda applications.

Compatible With 2008-2009 Honda Accord, 2007-2008 Honda Fit, 2002-2006 Honda CR-V, and 1995-1998 Honda Odyssey, this Four Seasons pressure switch is an OE-style replacement for vehicles that rely on binary pressure monitoring in the air conditioning system.

Key Features

• Four Seasons Pressure Switch, part number 20947
• Binary style HVAC switch with open compressor circuit state
• System-mounted design for pressure-based A/C control
• Round male connector with 2 terminals
• 11mm x 1.00 male thread fitting
• Steel construction with gray finish
• Weather Pack connection
• Meets or exceeds OEM requirements

Detailed Description

The Four Seasons Pressure Switch line is built for HVAC service applications where accurate refrigerant pressure monitoring is required. Part number 20947 is a binary pressure switch that helps the vehicle’s A/C system respond to pressure conditions by opening the circuit when system pressure is outside the operating range. It is a direct-fit service part for select Honda Accord, Honda Fit, Honda CR-V, and Honda Odyssey models listed in the fitment data.

This switch cross-references Hayden 5052 for the same application. If you are replacing a failed Honda CR-V pressure switch, Honda Accord A/C pressure switch, or Honda Odyssey HVAC binary switch, Four Seasons 20947 provides the correct connector style, thread size, and system-mounted configuration for the listed vehicles.

Common Problems This Part Can Address

• A/C compressor not engaging because the pressure switch circuit is open
• Intermittent compressor cycling caused by a faulty pressure signal
• HVAC system shutdown from incorrect refrigerant pressure input
• Diagnostic trouble related to pressure switch operation
• Loss of cooling performance tied to a failed binary switch

Installation Notes and Tips

Verify the connector shape, terminal count, and 11mm x 1.00 thread size before installation. Confirm the replacement matches the original system-mounted pressure switch on the vehicle and inspect the A/C circuit for refrigerant pressure issues before replacing the part. For Honda Accord, Honda Fit, Honda CR-V, and Honda Odyssey applications, match the original switch style and connector configuration to ensure proper fitment.

Quality Assurance

Four Seasons 20947 is listed as meeting or exceeding OEM requirements, making it a service replacement built to the same functional standard expected for the original HVAC pressure switch.