Installation manual

PART 13: MAINTENANCE (CONTINUED)

ITEM

MOD CON

300VWH*

MOD CON

500VWH*

MOD CON

850VWH*

DESCRIPTION

1 7500P-033 7500P-033 7500P-033 ECO HIGH LIMIT SENSOR(W/O-RING)

2 7500P-100 7500P-100 7500P-100 O-RING-ECO HIGH LIMIT SENSOR

3 7250P-059 7250P-059 7250P-059 THERMISTOR -SYSTEM SUPPLY

4 7250P-667 7350P-667 7350P-667 THERMISTOR - SYSTEM RETURN

5 7350P-089 7350P-089 7350P-089 LOW WATER CUT-OFF PROBE

6 7500P-002 7500P-002 7500P-002 ECO SWITCH-190 DEGREES

7 7350P-003 7350P-004 7350P-004

1-1/2INLET NIPPLE(W/O-RING)(300 ONLY)

2" INLET /NIPPLE( W/O-RING)

8 7350P-071 7350P-072 7350P-072 O-RING- INLET/OUTLET NIPPLE

9 7350P-014 7350P-015 7350P-015

1-1/2" INLET/OUTLET NIPPLE CLIP(300 ONLY)

2" INLET NIPPLE CLIP

10 7350P-001 7350P-002 7350P-002

1-1/2" OUTLET NIPPLE (W/O-RING)(300 only)

2" OUTLET NIPPLE(W/O-RING)

11 SN1018 SN1018 SN1018 3/4"NPT X 3" NIPPLE - BRASS

12 7350P-065 7350P-065 7350P-065 150# RELIEF VALVE=3/4" NPT

13 7250P-733 7250P-733 7350P-094 Z-FLEX EXHAUST ADAPTOR FOR PVC

14 7250P-739 7250P-739 7250P-739 FLUE ECO SWITCH - 160 DEGREES

15 7350P-613 7350P-613 7350P-613 CONDENSATE COLLECTOR ASSEMBLY

16 7350P-167 7350P-167 7350P-167 CONDENSATE OVERFLOW SWITCH

17 7350P-113 7350P-113 7350P-113 2" PVC PLUG

18 7350P-606 7350P-605 7350P-605

FLOW SWITCH KIT FOR MOD CON VWH

(Includes Brass Tee)

LP-276-F

REV. 10/28/09

Fig. 13-4

GAS-FIRED HOT WATER SUPPLY BOILER

Boiler Manual