Polaris PR 150-34 2NV OR 2PV Repair Parts List/Diagram, Tools Required For Servicing, Function

REPAIR PARTS LIST/DIAGRAM

ALL MODELS EXCEPT

100 GALLON

When ordering repair parts always give the following information:

1.Model, serial, and product numbers

2.Type of gas

31B 1

1

33

				1
5	4	3	2
				8
	6
	16	17	12	7

3.Item number

22

4. Parts description 21

Repair Parts List

ITEM	PARTS DESCRIPTION
NO.
1	1” NPT x 3” BRASS NIPPLE
2	THERMOSTAT SENSOR BUSHING
3	O-RING
4	THERMOSTAT SENSOR/ECO
5	INVERTED FLARE NUT
6	PLUG
7	VINYL TUBING
8	PRESSURE SWITCH
9	COMBUSTION BLOWER
10	4 INCH DIAMETER BLOWER GASKET
11	BURNER (NATURAL AND L.P. SAME)
12	6 INCH DIAMETER BURNER GASKET
13	HOT SURFACE IGNITER
14	IGNITER BRACKET
15	VENTURI MANIFOLD
16	REDUCING COUPLING
17	AIR INLET PIPE ASSEMBLY
18	GAS VALVE
19	1/2” NPT 90 DEGREE INLET FLANGE
20	1/2” NPT X 2” NIPPLES
21	1/2” NPT ELBOWS
22	1/2” NPT X 4.5” NIPPLE
23	RED LED
24	YELLOW LED
25	GREEN LED
26	THERMOSTAT BEZEL
27	TEMPERATURE SELECTOR KNOB
28	THERMOSTAT BOARD
29	IGNITION CONTROL
30	TRANSFORMER
31A	2” CONDENSATE TRAP ASSEMBLY
31B	3” CONDENSATE TRAP ASSEMBLY
32	COLD WATER TUBE ASSEMBLY
33	TEMPERATURE AND PRESSURE RELIEF VALVE
34	DRAIN VALVE
35	POTENTIOMETER
36	VENTURI GASKET (not pictured)
37	BLOWER ISOLATION RELAY (150,000+ BTU/Hr)

15

2023

24

1932

10

		34
18	35	31A

14	26
		25
13	27	30
	9

28

11

37 29

TOOLS REQUIRED FOR SERVICING

TOOL	FUNCTION
VOLT OHMMETER	MEASURE VOLTAGE/RESISTANCE
CLAMP-ON AMMETER	MEASURE CURRENT
STOPWATCH	CLOCK GAS CONSUMPTION
CALCULATOR	CALCULATE INPUT RATE
U-TUBE MANOMETER	READ INLET GAS PRESSURE
3/16” ID PLASTIC TUBING - 2 FT	CONNECT MANOMETER
#1 & #2 PHILLIPS SCREWDRIVERS	REMOVE DOORS AND CONTROLS
12” PIPE WRENCH (2 REQUIRED)	REMOVE GAS LINE
1/2” COMBINATION WRENCH	REMOVE BLOWER AND BURNER
1/2” SOCKET AND RATCHET	REMOVE BLOWER AND BURNER
3/8” COMBO WRENCH/NUT DRIVER	REMOVE IGNITER
T-25 TORX WRENCH	REMOVE THE GAS VALVE

(ALSO HELPFUL - 9/32” and 5/16” COMBINATION WRENCHES)

30