Pentair MasterTemp ASME Heater Natural Gas, 250 ASME HD, 250K BTU | 461020Product Overview The Pentair 461020 MasterTemp ASME 250 HD Pool and Spa Heater is a commercial grade natural gas heater designed to deliver fast, efficient heating for demanding pool and spa applications. With a 250,000 BTU input rating, this heater provides dependable heating performance in a compact, quiet, and user friendly design. Built with a heavy duty cupro nickel heat exchanger and ASME certified construction, the MasterTemp 250 ASME HD is

injection points

Please confirm compatibility before ordering

The filter tank is built from durable glass-reinforced co-polymer material designed to withstand demanding pool equipment environments

This allows the system to control more pool and backyard equipment

Your existing pump housing is compatible with this bolt-on assembly

Pools with leaves

this light is built for stylish

cord-free pool cleaning for above-ground pools and shallow flat-bottom in-ground pools

Durable components such as the copper heat exchanger

When the existing canister is cracked

Place the cover over the pool with the black side facing down (toward the water) and the blue side up

75 oz reagent bottles