Skip to main content
Register Product
Warranty Claim
Find A Contractor
Contact Us
Please enter a keyword(s) and press enter to search
Products
Commercial Products
Residential Products
Support
Warranties & Claims
Tech Support
How To Videos
Expert Academy
Find a Contractor or Distributor
Product FAQs
Spare Parts
Find your Sales Representative
Rebates Finder
Product Selector
Documentation
Boiler Documents
Indirect Water Heaters Documents
Other Products Documents
Repair Manuals
Discontinued Product Literature
About
Blog
Case Studies
News
Testimonials
Videos
Type something and press enter
Register Product
Warranty Claim
Find A Contractor
Contact Us
Discontinued Product Literature
Triangle Tube, the Original Innovator and first to bring fire tube technology to the residential market. We continue to deliver quality, reliable products to customers throughout North America.
Home
Documentation
Discontinued Product Literature
Discontinued Product Literature
Technical Documentation
1. Air Handlers Installation Manual
2. Air Handler Relay Replacement Kit
3. Air Handler Capacitor Replacement Kit
4. Air Handler Freeze Lock-Out Switch Replacement Kit
5. Air Handler Freeze Protection Switch Replacement Kit
6. Air Handler Transformer Replacement Kit
7. Air Handler Time Delay Relay Replacement Kit
8. Comfort Installation Manual
9. Comfort Warranty Card
10. Delta Elite Installation Manual
11. Delta Elite Trouble Shooting Guide
12. Delta Elite Oil-Fired Direct Vent Instructions
13. Delta Elite Literature
14. Delta Performance Installation Manual
15. Delta Performance Plus Installation Manual
16. Delta Performance Trouble Shooting Guide
17. Delta PG and PG Plus Burner and Flue Hood Gasket Seal Kit
18. Delta Performance Flex-L Appliance Adaptor
19. Delta Performance Heat Fab Appliance Adaptor
20. Delta Performance ProTech Appliance Adaptor
21. Delta Performance Blower/Motor Replacement Kit
22. Delta Performance Z-Flex Appliance Adaptor
23. Delta Performance Igniter/Sensor Replacement Kit
24. Delta Performance Burner Head Replacement Kit
25. Delta Performance Propane to Natural Gas Conversion Kit
26. Delta Performance Control Module Replacement Kit
27. Delta Performance Burner Control Conversion Honeywell Conversion to UT Control
28. Delta Performance Natural Gas to Propane Conversion Kit
29. Delta Performance Pressure Switch Replacement
30. Delta Elite and Performance Relay Replacement
31. Delta Elite and Performance Transformer Replacement
32. Delta Elite and Performance Operating Thermostat Replacement
33. Delta Elite and Performance Manual Reset Limit
34. Delta Elite and Performance Auto Reset Limit
35. Delta Performance and Elite Burner Mounting Plate Retrofit Kit
36. Delta Performance Literature
37. Delta Low Water Cut-Off Device Replacement
38. Delta Vent Termination Kit
39. Delta Series Warranty
40. Delta Gas Valve Replacement Kit
41. Ginius Installation Manual
42. Ginius Warranty Card
43. Ginius IDWH Performance
45. Modulating Delta Installation Manual
46. Modulating Delta Literature
47. Modulating Delta Vent Supplement
48. HMG Delta Classic Replacement Kit Electronic Spark Ignition
49. HMG Delta Classic Electronic Ignition Cable Replacement Kit
50. HMG Delta Classic Blower & Capacitor Replacement Kit
51. HMG Delta Classic Burner Insulation Replacement Kit
52. HMG Delta Classic Installation Manual
53. HMG Delta Classic Pilot Tubing Replacement Kit
54. HMG Delta Classic Main Gas Line Replacement Kit
55. HMG Delta Classic Burner Assembly Replacement Kit
56. HMG Delta Series Wiring Diagram
57. HMG-30 High Altitude Conversion Kit
58. HM Series Installation Manual
59. HM Delta Saf-T-Vent SC Concentric Vent
60. HMG Series Addendum Instructions
61. HM Series Warranty
62. HM Rectifier Cable Replacement Kit
63. Horizontal Vent Termination Kit
64. Marquis 180 Installation Manual
65. Marquis 200 Installation Manual
66. Marquis 180 User Manual
67. Marquis 200 User's Manual
68. Marquis Warranty
69. Marquis Sales Brochure
70. Optimal Series Literature
71. Optimal Series SZC5 Literature
72. Optimal Series S2S Literature
73. Optimal Series SMV Literature
74. Optimal Series S3S Literature
75. Optimal Series SIM Literature
76. Optimal Series SCC4 Literature
77. Optimal Series SSM Literature
78. Optimal Series SCC4 Installation Manual
79. Optimal Series SZC5 Installation Manual
80. Optimal Series S2S Installation Manual
81. Optimal Series SMV Installation Manual
82. Optimal Series SIM Installation Manual
83. Optimal Series SSM Installation Manual
84. Optimal Series SCCI Installation Manual
85. Optimal Series Temperature Sensor Installation Manual
86. Peerless Hygroscopic Air Vent Instructions
87. Peerless Sealant Instruction for Tank Fittings
88. Weil McLain Maxi-Flo Pool Heater WMPH-135, 200, 260 & 400 Instructions
89. Weil Mclain Maxi-Flo Pool Heater WMPH-95 Instructions
90. Weil McLain Brazed Plate Instruction Manual
91. Weil McLain Plus Drywell
92. Weil McLain DHW Drywell
93. Weil McLain Plus Line Addendum
94. Weil McLain Plus Line Installation Manual
95. Weil McLain Commercial Thermostat Replacement Instructions
96. Weil McLain Gold Plus Thermostat Replacement Instructions
97. Weil McLain Plus Thermostat Replacement Instructions
98. Weil McLain DHW Thermostat Replacement Instructions
99. Weil McLain Williamson Supplement
100. Weil McLain Residential Warranty
101. Weil McLain Commerical Warranty