Scotch Marine Dryback 300 Series

SCOTCH MARINE : DRYBACK : 300 SERIES : PARTS SELECTION GUIDE

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Custom manufacturer of engineered packaged boilers and systems, boiler controls and accessories. Major supplier of wood, gas, coal, solid-fuel, and oil-fired steam and hot water boilers, fire-tube & water-tube, and feedwater equipment for all heating & process applications including industrial, dry cleaning, hospital, educational, municipal, military, public and private commercial requirements.
FOR STEAM BOILERS USING McM #157 AS PRIMARY CONTROL

MATERIAL LIST
ITEM	DESCRIPTI0N	QT'Y.
11A	CONTROL RELAY, McM, NO. 750-120, AUTO RESET TYPE, PART NO. 176204	1
11B	REMOTE PROBE ELECTRODE, SENSOR, McM, NO. RS-1-BR-1, PART NO. 179524	1
11C	ROD, 1/4" DIA., SOLID BRASS X "A" (SEE CHART FOR LENGTH) T.O.E.	1

SERIES 200 & 300 DRY-BACK
BOILER SIZE - HP	(A)
15-20	4 7/8"
25-30	6"
40-50-60	5 1/2"
70-80-100	8"
125-150	7 3/4"
200-250-300	11 3/4"
350-400-500	15 1/4"
600-700-800	15 13/16"

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