Industry News 2024 IAPMO Solar, Hydronics and Geothermal; Swimming Pool, Spa and Hot Tub Codes Now Available The IAPMO have released the 2024 editions of the Uniform Solar, Hydronics and Geothermal Code® (USHGC) and Uniform Swimming Pool, Spa and Hot Tub Code® (USPSHTC). The Plumbing Zone4 months agoKeep Reading
