Parts breakdown diagrams of the VX-series boilers

The diagrams and tables below identify the parts of the boiler, including part numbers that you will need when ordering new parts.

  Note

Replacement parts are sold as part of a kit (e.g., P-242). For more information, see Service parts.

Exploded view of  cabinet

Item ID Description P-kit # Qty
1 Top access cover - VX 110 P-1506 1
Top access cover - VX 150 P-1531 1
Top access cover - VX 199 P-1532 1
2 Exhaust duct P-1507 1
3 Intake duct P-391 1
4 High limit temperature sensor P-361 1
5 Safety Ignition Module plus (SIM+) P-271B 1
6 Front door cover - VX 110 P-1508 1
Front door cover - VX 150 P-1533 1
Front door cover - VX 199 P-1534 1
7 Thumb screw * 2
8 Terminal block cover P-1509 1
9 V-10 touchscreen controller P-242B 1
10 Transformer P-9059 1

* Hardware kit (P-1541)

Exploded view

Item ID Description P-kit replacement # Quantity
20 Gas valve P-326B 1
30 Orifice NG 505 P-1501 1
Orifice LP 410 P-1500 1
Orifice NG 620 P-1503 1
Orifice LP 520 P-1502 1
Orifice NG 705 P-1505 1
Orifice LP 580 P-1504 1
40 O-ring, gas valve outlet P-1522* 1
50 Gas valve outlet pipe P-1510 1
60 Venturi insert - VX 110 (NRG 130) 50 mm P-821 1
Venturi insert - VX 150 (NRG 130) 43.5 mm P-338 1
Venturi insert - VX 199 (NRG 130) 37.5 mm

P-336

1
70 Ignitor and 2 screws P-1511 1
80 Ignitor gasket (pack of 5) P-117 1
90 Sight glass and 2 screws P-107A 1
100 Heat exchanger lid - VX 110 P-1512 1
Heat exchanger lid - VX 150 P-1524 1
Heat exchanger lid - VX 199 P-1528 1
110 Refractory and gasket - VX 110 P-1513 1
Refractory and gasket - VX 150 P-1525 1
Refractory and gasket - VX 199 P-1529 1
120 Rollout switch P-9070 1
130 Gasket, supply/ return pipe union P-1522* 2
140 Supply temperature sensor P-362 1
150 Manual air vent P-1219 1
160 Low water cutoff (behind supply pipe) P-9061 1
170 Supply water pipe P-1514 1
180 Supply / return water pipe bracket P-1515 2
190 Return water pipe P-1516 1
200 Return water temperature sensor P-1011 1
210 Water pressure sensor clip ** 1
220 Condensate trap P-115 1
230 Water pressure sensor P-1517 1
240 Heat exchanger - VX 110 P-1518 1
Heat exchanger - VX 150 P-1523 1
Heat exchanger - VX 199 P-1527 1
250 Burner 110 P-1519 1
Burner 150 P-1526 1
Burner 199 P-1530 1
260 Burner gasket VX 110 * 1
  Burner gasket VX 150 & VX 199 * 1
270 Fan insert P-1520B 1
280 Fan gasket P-1520B* 1
290 Fan P-1520B 1
300 Inlet gas line union gasket P-1522* 2
310 Gas line P-1521 1

* Gasket pack (P-1522)

** Sold only with the P-1517 (not separately)