48 Heatilator • Novus NBV • 4055-188 Rev C • 04/08
NBV4842 & NBV4842IService Parts
Standing Pilot Valve
IPI Valve
1
2
3
4
5
6
7
8
10
9
1
2
3
4
5
6
78
9
10
11
12
IMPORTANT: THIS IS DATED INFORMATION. When requesting service or replacement
parts for your appliance please provide model number and serial number. All parts listed
in this manual may be ordered from an authorized dealer. Stocked
at Depot
ITEM DESCRIPTION SERIAL # PART NUMBER
1Pilot Assembly NG 2103-010 Y
Pilot Assembly LP 2103-011 Y
2 Gasket, Pilot 4021-042 N
3 Air Shutter Assembly 4055-202 Y
4 Bracket, Valve 4055-205 N
5 Piezo Ignitor 291-513 Y
6 Flex Ball Valve Assembly 302-320A Y
7Valve NG 230-0710 Y
Valve LP 230-0720 Y
8 Brass Fitting 17069 N
9 Gasket, Bulkhead 4021-429 N
10 Bulkhead, Flexible 4021-512 N
Wire Assembly, Wall Switch 28602 y
Orifi ce NG (#37C) 582-837 Y
Orifi ce LP (#52C) 582-852 Y
IMPORTANT: THIS IS DATED INFORMATION. When requesting service or replacement
parts for your appliance please provide model number and serial number. All parts listed
in this manual may be ordered from an authorized dealer. Stocked
at Depot
ITEM DESCRIPTION SERIAL # PART NUMBER
1Pilot Assembly NG 2090-012 Y
Pilot Assembly LP 2090-013 Y
2 Gasket, Pilot Assembly 4021-042 N
3 Air Shutter Assembly 4055-202 N
4 Valve Bracket 4055-205 N
5 Flex Ball Valve Assembly 302-320A Y
6Valve NG 750-500 Y
Valve LP 750-501 Y
7 Brass Fitting 17069 N
8 3 Volt Transformer 583-593A Y
9 Module 593-592 Y
10 Module Wire Assembly 593-590A Y
11 Gasket, Bulkhead 4021-049 N
12 Bulkhead, Flexible 4021-512 Y
Wire Assembly , Wall Switch 4018-018 Y
Orifi ce NG (#37C) 582-837 Y
Orifi ce LP (#52C) 582-852 Y