Burnham Apex APX399 Installation, Operating And Service Instructions page 121

XIII. Repair Parts
Key
Description
No.
MISCELLANEOUS PARTS CARTON
8A Temperature/Pressure Gauge
8B External Gas Shut Off Valve
8C Relief Valve
8D Boiler Drain Valve
8E Boiler Stacking Brackets
8F Boiler Stacking Bracket Screws
Outdoor Temperature Sensor (Not Shown)
(continued)
(Quantity) Part Number
APX399 APX500
102942-03 102942-03
100282-01
101615-01
81660302
806603061
(2) 101679-01
(8) 80860743
102946-01
APX800
102942-04
816SOL0015
81660375
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