What size heater should for a 18X36 inground pool to be use in the winter for Bethel, NC?, can I use a heat pump instead of gas? View answer
Asked 6 ´years ago | Pools > Pool Heaters > Hayward Heaters > Hayward HM1 Series Heaters > Hayward Pool Products | Thumbscrew, Hayward HM, w/Retainer Ring | HX350F601 | 604079
When using the Hayward Universal H-Series H400 Low NOx Pool Heater. Can I circulate water through the heater before propane hook up has been done? View answer
Asked 4 ´years ago | Pools > Pool Heaters > Hayward Heaters > Hayward HM1 Series Heaters > Hayward Pool Products | Thumbscrew, Hayward HM, w/Retainer Ring | HX350F601 | 604079
