IHS700P - LP/NG October 08, 2025 15:59 Updated Click the link below to download the Operators Manual. IHS700P GAS manual ver.1.0.8. Rev 2pdf.pdf 10 MB Download Related articles Indirect Fired Heaters - IDF LP/NG Series Manual IHS700H - LP/NG IHS700P - OIL ELECTRIC HEATER, 150KW IHS1500 - LP/NG