HVAC Pressure Switch

Date Posted:	07 Jul, 2009
Offer Expires:	07 Jul, 2010

Zhejiang LEFOO Industrial Co., Ltd. [China]

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Detailed Description

LF31 pressure switches offer pressure, vacuum and differential models capable of sensing very low set points, and switching current up to 5A resistive, 2.5A inductive. Designed for use in the HVAC industry, where reliable air proving is critical to both performance and customer safety, the LF31 is a favorite with leading manufacturers of gas-fired warm air furnaces and water heaters.

Specifications:

Model	LF31
Media	Air , products of combustion, L.P. or natural gas
Operating Pressure Range	0.15" W.C. to 34" W.C.
Proof Pressure	100" W.C. (3.6PSI)
Operating Temperature	-40° C to 85° C
Contact Arrangement	SPST or SPDT
Electric Rating	Resistance: Initial: <50 milliohms Current: 100mA minimum, 5A resistive maximum (fine silver alloy contacts); 15mA minimum, 0.5A resistive maximum (gold-platinum-silver alloy contacts);
Terminals	0.032" x 0.250" copper alloy
Connection	Inlet 0.25" for tube connection

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Mr. Peter Wu

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