THIS LISTING IS FOR 1 – NEW. HAYWARD FDXLGSV0001 NATURAL GAS VALVE FOR H-SERIES HEATER. VR8305M4629 RESIDEO / HONEYWELL OEM REPLACEMENT GAS VALVE. BOTH CONNECTION POINTS ARE 3/4 FIP. THIS IS FOR ALL HAYWARD FDN STYLE HEATERS 150,000 BTU THROUGH 400,000 BTU NATURAL GAS HEATERS. THIS GAS VALVE IS FOR NATURAL GAS HEATERS ONLY. THIS IS FROM A MANUFACTURES BULK PACK AND WILL INCLUDE THE GAS VALVE ONLY AS PHOTOED. PLEASE ASK ANY QUESTIONS PRIOR TO PURCHASING. ALL VALVES WILL BE MARKED WITH HOLOGRAPHIC / RFID MARKINGS TO PREVENT RETURN ABUSE. GUARANTEED TO BE IN PERFECT WORKING CONDITION. ANY VALVE SENT BACK WITH HOLOGRAPHIC RFID TAGS ALTERED WILL BE REFUSED.