HydroTherm VGAB2-501 42-9117 VGAB-SERIES INSTALLATION, OPERATION & MAINTENANCE MANUAL AND REPLACEMENT PARTS LIST Gas-Fired Steam Cast Iron Boilers 175,000 to 400,000 Btuh Input Standing Pilot, Standing Pilot & Vent Damper, Intermittent Pilot and Intermittent Pilot & Vent Damper \ SECTION 1: INTRODUCTION Hi -- just bought a house with a HydroTherm HC-100 natural gas boiler. Trying to figure out the right way to light the pilot (for first time) and gas freaks me out. No manual and the website doesn't appear to have any "HC-100" listed and HC-D model manual pictures don't match. Hydrotherm Gas Fired Boilers. Hydrotherm Propane Boiler and Natural Gas HV-50, HV-75, HV-100, HV-125, HV-150. Residential Gas Boilers for Hydronic Heat Systems. Houseneeds; Free Shipping on Orders Over $200* Free Shipping Details. Boiler Manual Installation and Operation Instructions This manual is intended only for use by a qualified heating installer/technician. Read and follow this manual, all supplements and related instructional information provided with the boiler. Install, start and service the boiler only in the sequence and methods given in these instructions. Founded in 1923, Oswald Supply is family owned and operated through four generations. Thank you to our loyal customers who make us proud to celebrate 90 years of service to the heating and plumbing community. AM SERIES INSTALLATION MANUAL SECTION 1: INTRODUCTION Hydrotherm applications engineering group. Section 4 in this manual. Never install boilers or vent piping, except terminations, in an unconditioned area where condensate will be sub- HYDROTHERM Item # 40LX63 Mfr. Model # 58-1858 Web Price $918.76 / each Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order. Nov 12, 2012 Troubleshoot the boiler pressure reducing valve . Several years ago, I had the fill valve and expansion tank replaced on my old Hydrotherm HC