Name: Supco AFS222121 Adjust Air Press Sw .5-12" WC
Brand: Supco
SKU: AFS222121
Price: 100.27 USD
Availability: InStock

Supco AFS222121 Adjust Air Press Sw .5-12" WC

Description

Product Summary

The Supco AFS222121 Adjust Air Press Sw .5-12" WC is a professional-grade replacement part from Supco (Sealed Unit Parts Co.), a trusted name in HVAC/R and appliance parts since 1945. General purpose proving switch designed for HVAC and energy management applications.

Pressure switches protect HVAC and refrigeration systems by opening the circuit when pressures move outside a safe range. This group covers high and low pressure controls, fan-cycling switches, manual-reset safeties, and furnace air (draft inducer) proving switches. Match the cut-in/cut-out settings, connection type, and contact configuration to the application.

Key Features

Adjustable air pressure sensing switch
Replaces White Rodgers® 770-1
Senses positive, negative or differential air pressure
Set point range: 0.05" to 12.0" W.C.
SPDT switch

Specifications

Brand	Supco
Part Number	AFS222121
Part Type	Pressure Switch
Set Point Range	0.05 ± .02"w.c to 12.0"w.c
Operating Range	0.07"w.c to 12.0"w.c
Release Range	0.04"w.c to 11.2"w.c
Maximum pressure	0.5 psi (0.03 bar)
Operating Temperature	-40 to 82°C (-40 to 180°F)
Product Life	100,000 cycles
Approvals	UL, FM, CSA

Cross Reference

The Supco AFS222121 is a direct replacement for the following OEM and competitor part numbers. Always verify ratings and fit against the original part before installing.

Replaces Part #	Manufacturer	Description
2374-410	Robertshaw®
770-1	White Rodgers®

White Paper

What's Included

(1) Supco AFS222121 Adjust Air Press Sw .5-12" WC

Safety: Always disconnect power and follow lockout/tagout procedures before servicing electrical components. Installation should be performed by a qualified technician.

Extra Information

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Brand:

Supco

Weight:

1.00 LBS

Safety Information:

⚠ WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Prop 65 Warning:

Yes

Part Type:

Pressure Switch

Set Point Range:

0.05 ± .02"w.c to 12.0"w.c

Operating Range:

0.07"w.c to 12.0"w.c

Release Range:

0.04"w.c to 11.2"w.c

Maximum pressure:

0.5 psi (0.03 bar)

Operating Temperature:

-40 to 82°C (-40 to 180°F)

Product Life:

100,000 cycles

Approvals:

UL, FM, CSA

Replaces:

2374-410, 770-1

Please Note: To validate the manufacturer's warranty, equipment must be installed by a qualified licensed professional in accordance with local codes and the manufacturer's installation requirements.