Lochinvar Corp.
ARMOR wall mount models are available with inputs of 125,000 Btu/hr and 199,999 Btu/hr and a 5:1 turndown. Can be installed with direct-vent air intake and exhaust runs up to 100 equivalent feet using PVC, CPVC, polypropylene or AL29-4C stainless steel vent pipe.
Russelectric: ATS Remote Annunciator RTS-RA
Grass America: Institutional Hinges
Allseating: L1
Kingspan Light + Air: KlearSky
Nibco: PressACR P-trap Fittings