100284845 Lochinvar Aquas Stainless Steel, ASME Commercial 400,000 BTU Pool Heater, Natural Gas
Model: APN400
Lochinvar Aquas Natural Gas Energy Efficient Indoor Heater 400K BTU, Mfg. Part #:100284845
AQUAS Commercial Pool Package offers skid mounted design with indirect pool heat exchanger.
5 Models From 399,000 - 850,000 Btu/hr
Up to 98% Thermal Efficiency
Up to 10:1 Turn Down Ratio
Titanium Indirect Plate and Frame Pool Heat Exchanger on Select Models
https://www.lochinvar.com/en_US/products/aquas-commercial-pool-package-product-line-sg300/apn400-300/apn400-300.html