Reznor UDBP Parts Manuals - Manual (Page 14)

Form P-UD, P/N 270285R4, Page 14
Heat Exchanger Assembly (Quantities other than one are listed in parenthesis.)
Burner Assembly (Quantities other than one are listed in parenthesis.)
Gas Valve
121
123
127 126
122
130
Heat Exchanger and Burner Assemblies
CODE 128,
Primary Air
Restrictor
(propane only,
sizes as listed
below)
Venturi
Tube
126 Orifice
NOTE: Replacement heat exchanger and burner for Sizes 30-125 is illustrated. Replacement heat exchanger for
Sizes 150-400 includes a tube support and four channels connecting the header to the support. All replacement heat
exchangers include a gasket kit with instructions for attaching gaskets.
127A Nut
127B
Orifice
Adapter
Bushing
Gas
Line
from
Valve
Code Description Model 30 45 60 75 100 125 150 175 200 225 250 300 350 400
121 Burner Shield Front
Side
UDAP/UDAS
222100 222101 222102
222103
222105 222106 222107 222108 222109 222110 222111
222112
UDBP/UDBS 222104 222112 222113
122 Burner Shield Rear
Side
UDAP/UDAS 222127 222128 222129 222130 222131 222132 222133
222134 222136 222137 222138
222139
UDBP/UDBS 222147 222148 222149 222150 222151 222152 222139 222140
123 Burner Assembly
UDAP/UDAS 195231 195232 195233 195234 195235 195236 195237 195238 195239 195240 195241 195242 195243
UDBP/UDBS 195231 195232 195233 202642 195235 195236 195237 195238 195239 195240 195241 195242 195243
123A Burner End Gaskets All (2) 195667 (2) 195668
124 Burner Baffle
UDAP/UDAS -- -- --
-- (2) 196750
(2) 197238
(2)
197239
--
(2) 196751 --
UDBP/UDBS -- --
(2)
196749
(2) 202682 (2) 196750
(2) 197238
(2)
197239
-- (2) 202683 (2)
196751
--
(2) 202684
125 Burner Support All
(3) 196597
(4) 196597 (6) 196597 (4) 196598 (6) 196598
196752
126 Burner
Orifice
Natural
Gas
All
196853 196838 196839 196855 120158 196840 131581 196891 196892 221121 208255 221122 221123 196897
#37 #30 3.7MM #19 #10 #4 5.9MM E 6.8MM 6.95MM L 8.0MM 8.7MM 9.6MM
Propane
196844 196845 196846 196852 196854 196847 196898 196899 196900 196901 196902 196903 196904 196905
1.6MM #48 2.3MM #39 3.0MM 3.2MM 9/64” #24 4.1MM 11/64” #14 #8 #3 5.8MM
127A 1/2” Pipe Nut 165702
127B Orifice Adapter Bushing 165701, 1/2x1/4 194809, 3/4x3/8
128 Primary Air
Restrictor
Propane
only
UDAP/UDAS 196687 196688 -- 196688 -- -- -- -- -- -- --
UDBP/UDBS 203078 202051 196688 -- -- -- -- -- -- --
129
Gas
Conversion
Kits
Natural to
Propane
UDAP/UDAS 269835 269836
269837 269838 269839 201732
UDBP/UDBS 269840 269841
Propane to
Natural
All 269851 269852 269853 269854 269855 201738
Code Description 30 45 60 75 100 125 150 175 200 225 250 300 350 400
130
Heat
Exchanger
Assembly
with
Gasket Kit
UDAP
and
UDAS
Aluminized 201628 201629 201630 201631 201632 201633 201634 201635 201636 201637 201638 201639 201640
409 SS 201654 201655 201656 201657 201658 201659 201660 201661 201662 201663 201664 201665 201666
316 SS 201641 201642 201643 201644 201645 201646 201647 201648 201649 201650 201651 201652 201653
UDBP
and
UDBS
Aluminized 202623 202624 202625 202626 202627 202628 201634 201635 201636 201637 201638 201639 201640
409 SS 202629 202630 202631 202632 202633 202634 201660 201661 201662 201663 201664 201665 201666
316 SS 202635 202636 202637 202638 202639 202640 201647 201648 201649 201650 201651 201652 201653
130A Gasket Kit for Heat Exchanger 201667 201668 201669 201670 201671 221214 201672