Part No.	PHOTO	Description	CART	Price
WES K29PX	PHOTO	CHT Kit Single TSO, Westach	ADD	$84.95
WES K29PCX		CHT Kit 4 position TSO, Westach	ADD	$149.95
WES K29PDX		CHT Kit 6 position TSO, Westach	ADD	$189.95
WES K2A2X		EGT Kit Single, Westach	ADD	$78.95
WES K28PX	PHOTO	EGT Kit Single TSO, Westach	ADD	$99.95
WES K28PCX		EGT Kit 4 position TSO, Westach	ADD	$219.95
WES K28PDX		EGT Kit 6 position TSO, Westach	ADD	$289.95
WES K31X	PHOTO	CHT/EGT Kit Single TSO, Westach	ADD	$152.95
WES K33X	PHOTO	CHT Kit Dual Single TSO, Westach	ADD	$129.95
WES K32X	PHOTO	EGT Kit Dual Single TSO, Westach	ADD	$167.95
WES K34X	PHOTO	OAT gauge TSO, Westach	ADD	$109.95
WES 2A6-15	PHOTO	Ammeter 60 amps, Westach Needs WES 237-60 Shunt	ADD	$44.95
WES 237-60		Shunt 60 Amps, Westach	ADD	$29.95
WES K2A6-22X	PHOTO	Ammeter Kit 30 amps with 30 Amp Shunt, Westach	ADD	$75.95
WES K2A3-1X	PHOTO	CHT Kit, Westach	ADD	$79.95
WES K30X	PHOTO	Carb Temp Kit TSO'd, Westach	ADD	$109.95
WES K2A7	PHOTO	Fuel Level with sender 12 volt, Westach	ADD	$129.95
WES K37X	PHOTO	Fuel Pressure with Sender TSO, Westach	ADD	$344.95
WES K38X	PHOTO	Oil Pressure Gauge with Sender TSO, Westach	ADD	$344.95
WES K35X	PHOTO	Oil Temperature Gauge with Sender TSO, Westach	ADD	$109.95
WES 2AT3-2		Tachometer 0-3500 Mag Fired 4 cylinder, Westach	ADD	$74.95
WES 2AT33-2		Tachometer 0-3500 Mag Fired 6 cylinder, Westach	ADD	$74.95
WES K39X		Pressure with Sender 8' cable 1/8" NPT, Westach	ADD	$344.95

Westach Instruments are made of the finest materials especially for aircraft. TSO'd instruments are FAA approved per TSO-C43a, or TSO-C47. Westach has over 43 years experience in instrumentation. All Westach instruments have agate meter bearings, fully jeweled movements and rugged senders providing long life and top accuracy. Economical Engine Analysis. 2 1/4" instrument mount. Complete sets and spares in stock.

Senders and probes also sold separately.

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Westach Quad Gauge

Part No.	PHOTO	Description	CART	Price
WES 3AQ1		Quad CHT 100-700 deg F, Westach	ADD	$196.95
WES 3AQ2	PHOTO	EGT Gauge 600-1600 degree Quad, Westach	ADD	$196.95
WES 3AQ3		Quad Gauge (2) CHT & (2) EGT, Westach	ADD	$196.95

Four Gauges in one 3 1/8" instrument.

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Westach Multicylinder Thermocouple Switches

Part No.	PHOTO	Description	CART	Price
WES 254-20EP	PHOTO	Switch 4 Position Single Gauge, TSO, Westach	ADD	$29.95
WES 254-20EDPP		Switch 4 Position Dual Gauge, TSO, Westach	ADD	$46.95
WES 254-21EP		Switch 6 Position Single Gauge, TSO, Westach	ADD	$35.95
WES 254-21EDPP		Theromocouple Switch 6 position Dual Gauge, TSO, Westach	ADD	$54.95

With 96 inch leads. Dual Gage swithces can switch EGT/EGT, CHT/CHT or EGT/CHT

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Westach Replacement Probes

Part No.	PHOTO	Description	CART	Price
WES 712-2DWK	PHOTO	Probe EGT, Clamp Type, Westach	ADD	$31.95
WES 712-4D2K	PHOTO	Probe EGT, 1/8" NPT, Westach	ADD	$38.95
WES 712-4WK	PHOTO	Probe CHT, Gasket 14mm, Westach	ADD	$18.95
WES 712-5WK	PHOTO	Probe CHT, Gasket 18mm, Westach	ADD	$18.95
WES 712-7DK	PHOTO	Probe CHT, 3/8-24, Westach	ADD	$42.95
WES 713-2DWK	PHOTO	Probe EGT TSO, Westach	ADD	$31.95
WES 713-48DWK		Probe EGT, Clamp Type TSO'd, Westach	ADD	$31.95
WES 713-4D2K	PHOTO	Probe EGT, 1/8" NPT, 2 1/2" tip, Westach	ADD	$42.95
WES 713-4W	PHOTO	Probe CHT, Gasket 14mm TSO, Westach	ADD	$18.95
WES 713-5W	PHOTO	Probe CHT, Gasket 18mm TSO, Westach	ADD	$18.95
WES 713-7D	PHOTO	Probe CHT, 3/8-24 TSO, Westach	ADD	$39.95
WES 399S9	PHOTO	Sender Oil Temperature, 5/8-18, Westach	ADD	$32.95
WES 395-5S	PHOTO	Sender Fuel Level 24", Westach	ADD	$98.95
WES 399W	PHOTO	Sender Carburetor Temperature, 1/4-28, 48" lead, Westach	ADD	$32.95
WES 399OT		Sender OAT, Westach	ADD	$32.95

NPT - National Pipe Thread Taper
Note! Pipe thread sizes do not refer to any physical dimensions. The outside diameter of a pipe or fitting must be measured and referenced to a table for size identification.
Note! Inserting a NPT tapered fitting into a port tapped for a straight thread fitting and tightening it can break or severely damage the item the fitting is being installed in.
Pipe Size (inch)	Thread Pitch TPI	Fitting O.D. (inch)	NPT Specifications
1/16"	27	0.313"	Tapered thread 1° 47' Flat truncation of thread roots and crests Thread angle 60° Thread Pitch measured in threads per inch
1/8"	27	0.405"
1/4"	18	0.540"
3/8"	18	0.675"
1/2"	14	0.840"

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